2100100021102 has 24 divisors (see below), whose sum is σ = 3332802834000. Its totient is φ = 992351845728.

The previous prime is 2100100021099. The next prime is 2100100021207. The reversal of 2100100021102 is 2011200010012.

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, 3260602 + ... + 3851197.

It is an arithmetic number, because the mean of its divisors is an integer number (138866784750).

Almost surely, 2^{2100100021102} is an apocalyptic number.

2100100021102 is a deficient number, since it is larger than the sum of its proper divisors (1232702812898).

2100100021102 is a wasteful number, since it uses less digits than its factorization.

2100100021102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7112248 (or 7112229 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 2100100021102 its reverse (2011200010012), we get a palindrome (4111300031114).

The spelling of 2100100021102 in words is "two trillion, one hundred billion, one hundred million, twenty-one thousand, one hundred two".