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101211110112121 = 674555733158759
BaseRepresentation
bin10111000000110100001100…
…010000111111101101111001
3111021100200120021122210221021
4113000310030100333231321
5101231220323142041441
6555131424143342441
730214155442220602
oct2700641420775571
9437320507583837
10101211110112121
112a2814330a9a09
12b427483bb1a21
1344622223cc699
141adc902ab0da9
15ba7aeea4a3d1
hex5c0d0c43fb79

101211110112121 has 8 divisors (see below), whose sum is σ = 102723981589440. Its totient is φ = 99698305043568.

The previous prime is 101211110112097. The next prime is 101211110112131. The reversal of 101211110112121 is 121211011112101.

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 101211110112121 - 233 = 101202520177529 is a prime.

It is a super-2 number, since 2×1012111101121212 (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 = 101211110112095 and 101211110112104.

It is not an unprimeable number, because it can be changed into a prime (101211110112131) 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, 13527061 + ... + 19631698.

It is an arithmetic number, because the mean of its divisors is an integer number (12840497698680).

Almost surely, 2101211110112121 is an apocalyptic number.

It is an amenable number.

101211110112121 is a deficient number, since it is larger than the sum of its proper divisors (1512871477319).

101211110112121 is an equidigital number, since it uses as much as digits as its factorization.

101211110112121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33204383.

The product of its (nonzero) digits is 8, while the sum is 16.

Adding to 101211110112121 its reverse (121211011112101), we get a palindrome (222422121224222).

The spelling of 101211110112121 in words is "one hundred one trillion, two hundred eleven billion, one hundred ten million, one hundred twelve thousand, one hundred twenty-one".

Divisors: 1 67 45557 3052319 33158759 2221636853 1510613583763 101211110112121