23211121102 has 64 divisors (see below), whose sum is σ = 40257423360. Its totient is φ = 9959241600.

The previous prime is 23211121051. The next prime is 23211121103. The reversal of 23211121102 is 20112111232.

It is a super-2 number, since 2×23211121102² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23211121103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2108649 + ... + 2119627.

It is an arithmetic number, because the mean of its divisors is an integer number (629022240).

Almost surely, 2^23211121102 is an apocalyptic number.

23211121102 is a deficient number, since it is larger than the sum of its proper divisors (17046302258).

23211121102 is a wasteful number, since it uses less digits than its factorization.

23211121102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11129.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 23211121102 its reverse (20112111232), we get a palindrome (43323232334).

The spelling of 23211121102 in words is "twenty-three billion, two hundred eleven million, one hundred twenty-one thousand, one hundred two".