2123011342100 has 36 divisors (see below), whose sum is σ = 5025746852448. Its totient is φ = 772004124000.

The previous prime is 2123011342093. The next prime is 2123011342187. The reversal of 2123011342100 is 12431103212.

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 pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 965004056 + ... + 965006255.

Almost surely, 2^{2123011342100} is an apocalyptic number.

2123011342100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2123011342100 is an abundant number, since it is smaller than the sum of its proper divisors (2902735510348).

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

2123011342100 is a wasteful number, since it uses less digits than its factorization.

2123011342100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1930010336 (or 1930010329 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 2123011342100 its reverse (12431103212), we get a palindrome (2135442445312).

The spelling of 2123011342100 in words is "two trillion, one hundred twenty-three billion, eleven million, three hundred forty-two thousand, one hundred".