2102011212102 has 16 divisors (see below), whose sum is σ = 4425286762560. Its totient is φ = 663793014312.

The previous prime is 2102011212079. The next prime is 2102011212127. The reversal of 2102011212102 is 2012121102012.

It is a super-2 number, since 2×2102011212102² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9219347308 + ... + 9219347535.

It is an arithmetic number, because the mean of its divisors is an integer number (276580422660).

Almost surely, 2^{2102011212102} is an apocalyptic number.

2102011212102 is an abundant number, since it is smaller than the sum of its proper divisors (2323275550458).

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

2102011212102 is a wasteful number, since it uses less digits than its factorization.

2102011212102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18438694867.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2102011212102 its reverse (2012121102012), we get a palindrome (4114132314114).

The spelling of 2102011212102 in words is "two trillion, one hundred two billion, eleven million, two hundred twelve thousand, one hundred two".