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10110022121 = 10477964973
BaseRepresentation
bin10010110101001101…
…01011000111101001
3222002120210100002202
421122212223013221
5131201131201441
64351112505545
7505351525103
oct113246530751
928076710082
1010110022121
114318931291
121b619ab2b5
13c5172c914
146bca02573
153e289219b
hex25a9ab1e9

10110022121 has 4 divisors (see below), whose sum is σ = 10110997572. Its totient is φ = 10109046672.

The previous prime is 10110022093. The next prime is 10110022127. The reversal of 10110022121 is 12122001101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2731212121 + 7378810000 = 52261^2 + 85900^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10110022121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10110022127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 472010 + ... + 492963.

It is an arithmetic number, because the mean of its divisors is an integer number (2527749393).

Almost surely, 210110022121 is an apocalyptic number.

It is an amenable number.

10110022121 is a deficient number, since it is larger than the sum of its proper divisors (975451).

10110022121 is an equidigital number, since it uses as much as digits as its factorization.

10110022121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975450.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10110022121 its reverse (12122001101), we get a palindrome (22232023222).

The spelling of 10110022121 in words is "ten billion, one hundred ten million, twenty-two thousand, one hundred twenty-one".

Divisors: 1 10477 964973 10110022121