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101021122123031 = 1110190928102721
BaseRepresentation
bin10110111110000011010000…
…000110010101010100010111
3111020200112011200201222102202
4112332003100012111110113
5101220112224230414111
6554504243545355115
730164351403032015
oct2676032006252427
9436615150658382
10101021122123031
112a2088a99067a0
12b3b66a1498a9b
13444a335414926
141ad363c59b8b5
15ba2bd0557b3b
hex5be0d0195517

101021122123031 has 8 divisors (see below), whose sum is σ = 111295997731728. Its totient is φ = 90928102720000.

The previous prime is 101021122122983. The next prime is 101021122123079. The reversal of 101021122123031 is 130321221120101.

It is an interprime number because it is at equal distance from previous prime (101021122122983) and next prime (101021122123079).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 101021122123031 - 242 = 96623075611927 is a prime.

It is a super-2 number, since 2×1010211221230312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101021122122994 and 101021122123012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101021122123331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45464050250 + ... + 45464052471.

It is an arithmetic number, because the mean of its divisors is an integer number (13911999716466).

Almost surely, 2101021122123031 is an apocalyptic number.

101021122123031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

101021122123031 is a deficient number, since it is larger than the sum of its proper divisors (10274875608697).

101021122123031 is a wasteful number, since it uses less digits than its factorization.

101021122123031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90928102833.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 101021122123031 its reverse (130321221120101), we get a palindrome (231342343243132).

The spelling of 101021122123031 in words is "one hundred one trillion, twenty-one billion, one hundred twenty-two million, one hundred twenty-three thousand, thirty-one".

Divisors: 1 11 101 1111 90928102721 1000209129931 9183738374821 101021122123031