2102101012102 has 32 divisors (see below), whose sum is σ = 3890577321792. Its totient is φ = 829505660544.

The previous prime is 2102101012043. The next prime is 2102101012159. The reversal of 2102101012102 is 2012101012012.

It is a Harshad number since it is a multiple of its sum of digits (13).

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, 14474353 + ... + 14618860.

It is an arithmetic number, because the mean of its divisors is an integer number (121580541306).

Almost surely, 2^{2102101012102} is an apocalyptic number.

2102101012102 is a deficient number, since it is larger than the sum of its proper divisors (1788476309690).

2102101012102 is a wasteful number, since it uses less digits than its factorization.

2102101012102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29093632.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2102101012102 its reverse (2012101012012), we get a palindrome (4114202024114).

The spelling of 2102101012102 in words is "two trillion, one hundred two billion, one hundred one million, twelve thousand, one hundred two".