2102111010212 has 24 divisors (see below), whose sum is σ = 3895216748640. Its totient is φ = 989196024960.

The previous prime is 2102111010203. The next prime is 2102111010221. The reversal of 2102111010212 is 2120101112012.

It is an interprime number because it is at equal distance from previous prime (2102111010203) and next prime (2102111010221).

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, 1627787 + ... + 2617997.

It is an arithmetic number, because the mean of its divisors is an integer number (162300697860).

Almost surely, 2^{2102111010212} is an apocalyptic number.

It is an amenable number.

2102111010212 is a deficient number, since it is larger than the sum of its proper divisors (1793105738428).

2102111010212 is a wasteful number, since it uses less digits than its factorization.

2102111010212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021451 (or 1021449 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2102111010212 its reverse (2120101112012), we get a palindrome (4222212122224).

The spelling of 2102111010212 in words is "two trillion, one hundred two billion, one hundred eleven million, ten thousand, two hundred twelve".