2111210211212 has 24 divisors (see below), whose sum is σ = 3773438042304. Its totient is φ = 1033087571712.

The previous prime is 2111210211193. The next prime is 2111210211241. The reversal of 2111210211212 is 2121120121112.

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, 3153428 + ... + 3763844.

It is an arithmetic number, because the mean of its divisors is an integer number (157226585096).

Almost surely, 2^{2111210211212} is an apocalyptic number.

It is an amenable number.

2111210211212 is a deficient number, since it is larger than the sum of its proper divisors (1662227831092).

2111210211212 is a wasteful number, since it uses less digits than its factorization.

2111210211212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628865 (or 628863 counting only the distinct ones).

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

Adding to 2111210211212 its reverse (2121120121112), we get a palindrome (4232330332324).

The spelling of 2111210211212 in words is "two trillion, one hundred eleven billion, two hundred ten million, two hundred eleven thousand, two hundred twelve".