2102101120212 has 24 divisors (see below), whose sum is σ = 4904939798976. Its totient is φ = 700695061248.

The previous prime is 2102101120177. The next prime is 2102101120219. The reversal of 2102101120212 is 2120211012012.

It is a junction number, because it is equal to n+sod(n) for n = 2102101120191 and 2102101120200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102101120219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1192393 + ... + 2371919.

It is an arithmetic number, because the mean of its divisors is an integer number (204372491624).

Almost surely, 2^{2102101120212} is an apocalyptic number.

It is an amenable number.

2102101120212 is an abundant number, since it is smaller than the sum of its proper divisors (2802838678764).

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

2102101120212 is a wasteful number, since it uses less digits than its factorization.

2102101120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1328047 (or 1328045 counting only the distinct ones).

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

Adding to 2102101120212 its reverse (2120211012012), we get a palindrome (4222312132224).

The spelling of 2102101120212 in words is "two trillion, one hundred two billion, one hundred one million, one hundred twenty thousand, two hundred twelve".