23101122121002 has 24 divisors (see below), whose sum is σ = 50054610908484. Its totient is φ = 7700038710144.

The previous prime is 23101122120983. The next prime is 23101122121067. The reversal of 23101122121002 is 20012122110132.

23101122121002 is a `hidden beast` number, since 231 + 0 + 1 + 1 + 221 + 210 + 0 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 22434252263361 + 666869857641 = 4736481^2 + 816621^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27519183 + ... + 28346210.

Almost surely, 2^{23101122121002} is an apocalyptic number.

23101122121002 is an abundant number, since it is smaller than the sum of its proper divisors (26953488787482).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23101122121002 is a wasteful number, since it uses less digits than its factorization.

23101122121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55888374 (or 55888371 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 23101122121002 its reverse (20012122110132), we get a palindrome (43113244231134).

The spelling of 23101122121002 in words is "twenty-three trillion, one hundred one billion, one hundred twenty-two million, one hundred twenty-one thousand, two".