23212122222100 has 72 divisors (see below), whose sum is σ = 57667234685760. Its totient is φ = 7944455051520.

The previous prime is 23212122222071. The next prime is 23212122222139. The reversal of 23212122222100 is 122222121232.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28740694 + ... + 29537293.

It is an arithmetic number, because the mean of its divisors is an integer number (800933815080).

Almost surely, 2^{23212122222100} is an apocalyptic number.

23212122222100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23212122222100 is an abundant number, since it is smaller than the sum of its proper divisors (34455112463660).

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

23212122222100 is a wasteful number, since it uses less digits than its factorization.

23212122222100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58278577 (or 58278570 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 23212122222100 its reverse (122222121232), we get a palindrome (23334344343332).

The spelling of 23212122222100 in words is "twenty-three trillion, two hundred twelve billion, one hundred twenty-two million, two hundred twenty-two thousand, one hundred".