2111202122212 has 24 divisors (see below), whose sum is σ = 3751413938720. Its totient is φ = 1039383576000.

The previous prime is 2111202122177. The next prime is 2111202122219. The reversal of 2111202122212 is 2122212021112.

It is a self number, because there is not a number n which added to its sum of digits gives 2111202122212.

It is not an unprimeable number, because it can be changed into a prime (2111202122219) 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, 1146537 + ... + 2353072.

Almost surely, 2^{2111202122212} is an apocalyptic number.

It is an amenable number.

2111202122212 is a deficient number, since it is larger than the sum of its proper divisors (1640211816508).

2111202122212 is a wasteful number, since it uses less digits than its factorization.

2111202122212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3501931 (or 3501929 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 2111202122212 its reverse (2122212021112), we get a palindrome (4233414143324).

It can be divided in two parts, 211120 and 2122212, that added together give a palindrome (2333332).

The spelling of 2111202122212 in words is "two trillion, one hundred eleven billion, two hundred two million, one hundred twenty-two thousand, two hundred twelve".