23211002100 has 144 divisors (see below), whose sum is σ = 78898075200. Its totient is φ = 5194060800.

The previous prime is 23211002099. The next prime is 23211002117. The reversal of 23211002100 is 120011232.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 227625 + ... + 313424.

It is an arithmetic number, because the mean of its divisors is an integer number (547903300).

Almost surely, 2^23211002100 is an apocalyptic number.

23211002100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23211002100 is an abundant number, since it is smaller than the sum of its proper divisors (55687073100).

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

23211002100 is a wasteful number, since it uses less digits than its factorization.

23211002100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541090 (or 541083 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 23211002100 its reverse (120011232), we get a palindrome (23331013332).

The spelling of 23211002100 in words is "twenty-three billion, two hundred eleven million, two thousand, one hundred".