2102101120102 has 32 divisors (see below), whose sum is σ = 3507256857600. Its totient is φ = 940383183168.

The previous prime is 2102101120073. The next prime is 2102101120103. The reversal of 2102101120102 is 2010211012012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102101120103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15153423 + ... + 15291514.

It is an arithmetic number, because the mean of its divisors is an integer number (109601776800).

Almost surely, 2^{2102101120102} is an apocalyptic number.

2102101120102 is a deficient number, since it is larger than the sum of its proper divisors (1405155737498).

2102101120102 is a wasteful number, since it uses less digits than its factorization.

2102101120102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30445060.

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

Adding to 2102101120102 its reverse (2010211012012), we get a palindrome (4112312132114).

The spelling of 2102101120102 in words is "two trillion, one hundred two billion, one hundred one million, one hundred twenty thousand, one hundred two".