2101200012102 has 32 divisors (see below), whose sum is σ = 4212455652864. Its totient is φ = 698724303200.

The previous prime is 2101200012083. The next prime is 2101200012113. The reversal of 2101200012102 is 2012100021012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57046852 + ... + 57083672.

It is an arithmetic number, because the mean of its divisors is an integer number (131639239152).

Almost surely, 2^{2101200012102} is an apocalyptic number.

2101200012102 is an abundant number, since it is smaller than the sum of its proper divisors (2111255640762).

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

2101200012102 is a wasteful number, since it uses less digits than its factorization.

2101200012102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59324.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2101200012102 its reverse (2012100021012), we get a palindrome (4113300033114).

The spelling of 2101200012102 in words is "two trillion, one hundred one billion, two hundred million, twelve thousand, one hundred two".