23211213102 has 48 divisors (see below), whose sum is σ = 62700423552. Its totient is φ = 6028886160.

The previous prime is 23211213031. The next prime is 23211213107. The reversal of 23211213102 is 20131211232.

23211213102 is a `hidden beast` number, since 232 + 1 + 121 + 310 + 2 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23211213107) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 8372068 + ... + 8374839.

It is an arithmetic number, because the mean of its divisors is an integer number (1306258824).

Almost surely, 2^23211213102 is an apocalyptic number.

23211213102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

23211213102 is an abundant number, since it is smaller than the sum of its proper divisors (39489210450).

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

23211213102 is a wasteful number, since it uses less digits than its factorization.

23211213102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16746933 (or 16746930 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 23211213102 its reverse (20131211232), we get a palindrome (43342424334).

The spelling of 23211213102 in words is "twenty-three billion, two hundred eleven million, two hundred thirteen thousand, one hundred two".