2123323102100 has 36 divisors (see below), whose sum is σ = 4607809018848. Its totient is φ = 849292764000.

The previous prime is 2123323102093. The next prime is 2123323102123. The reversal of 2123323102100 is 12013233212.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 1947095 + ... + 2835105.

It is an arithmetic number, because the mean of its divisors is an integer number (127994694968).

Almost surely, 2^{2123323102100} is an apocalyptic number.

2123323102100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2123323102100 is an abundant number, since it is smaller than the sum of its proper divisors (2484485916748).

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

2123323102100 is a wasteful number, since it uses less digits than its factorization.

2123323102100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911936 (or 911929 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 2123323102100 its reverse (12013233212), we get a palindrome (2135336335312).

The spelling of 2123323102100 in words is "two trillion, one hundred twenty-three billion, three hundred twenty-three million, one hundred two thousand, one hundred".