2102111211212 has 12 divisors (see below), whose sum is σ = 3679486961976. Its totient is φ = 1050829222080.

The previous prime is 2102111211209. The next prime is 2102111211241. The reversal of 2102111211212 is 2121121112012.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56574989 + ... + 56612132.

It is an arithmetic number, because the mean of its divisors is an integer number (306623913498).

Almost surely, 2^{2102111211212} is an apocalyptic number.

It is an amenable number.

2102111211212 is a deficient number, since it is larger than the sum of its proper divisors (1577375750764).

2102111211212 is a wasteful number, since it uses less digits than its factorization.

2102111211212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113191768 (or 113191766 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 2102111211212 its reverse (2121121112012), we get a palindrome (4223232323224).

The spelling of 2102111211212 in words is "two trillion, one hundred two billion, one hundred eleven million, two hundred eleven thousand, two hundred twelve".