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101120022001021 = 281601598764941
BaseRepresentation
bin10110111111011111010110…
…111111011011010101111101
3111021000222110012022022222211
4112333133112333123111331
5101223222301113013041
6555021521413140421
730204452261105512
oct2677372677332575
9437028405268884
10101120022001021
112a246840253951
12b4118a292a711
13445676702ccaa
141ad834148b309
15ba556cdd5481
hex5bf7d6fdb57d

101120022001021 has 8 divisors (see below), whose sum is σ = 101648731613688. Its totient is φ = 100592509920000.

The previous prime is 101120022001007. The next prime is 101120022001057. The reversal of 101120022001021 is 120100220021101.

It can be written as a sum of positive squares in 4 ways, for example, as 41585912253796 + 59534109747225 = 6448714^2 + 7715835^2 .

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 101120022001021 - 211 = 101120021998973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101120022000992 and 101120022001010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101120022005021) 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, 299213590 + ... + 299551351.

It is an arithmetic number, because the mean of its divisors is an integer number (12706091451711).

Almost surely, 2101120022001021 is an apocalyptic number.

It is an amenable number.

101120022001021 is a deficient number, since it is larger than the sum of its proper divisors (528709612667).

101120022001021 is an equidigital number, since it uses as much as digits as its factorization.

101120022001021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598765823.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 101120022001021 its reverse (120100220021101), we get a palindrome (221220242022122).

The spelling of 101120022001021 in words is "one hundred one trillion, one hundred twenty billion, twenty-two million, one thousand, twenty-one".

Divisors: 1 281 601 168881 598764941 168252948421 359857729541 101120022001021