2100123011102 has 16 divisors (see below), whose sum is σ = 3318859732560. Its totient is φ = 993932301312.

The previous prime is 2100123011081. The next prime is 2100123011117. The reversal of 2100123011102 is 2011103210012.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 23922533 + ... + 24010160.

It is an arithmetic number, because the mean of its divisors is an integer number (207428733285).

Almost surely, 2^{2100123011102} is an apocalyptic number.

2100123011102 is a deficient number, since it is larger than the sum of its proper divisors (1218736721458).

2100123011102 is a wasteful number, since it uses less digits than its factorization.

2100123011102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47933867.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 2100123011102 its reverse (2011103210012), we get a palindrome (4111226221114).

The spelling of 2100123011102 in words is "two trillion, one hundred billion, one hundred twenty-three million, eleven thousand, one hundred two".