23021121102 has 24 divisors (see below), whose sum is σ = 53559343656. Its totient is φ = 6577463088.

The previous prime is 23021121059. The next prime is 23021121133. The reversal of 23021121102 is 20112112032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39151273 + ... + 39151860.

It is an arithmetic number, because the mean of its divisors is an integer number (2231639319).

Almost surely, 2^23021121102 is an apocalyptic number.

23021121102 is an abundant number, since it is smaller than the sum of its proper divisors (30538222554).

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

23021121102 is a wasteful number, since it uses less digits than its factorization.

23021121102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78303152 (or 78303145 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 23021121102 its reverse (20112112032), we get a palindrome (43133233134).

The spelling of 23021121102 in words is "twenty-three billion, twenty-one million, one hundred twenty-one thousand, one hundred two".