2111122022212 has 12 divisors (see below), whose sum is σ = 4222244044480. Its totient is φ = 904766580936.

The previous prime is 2111122022197. The next prime is 2111122022213. The reversal of 2111122022212 is 2122202211112.

2111122022212 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 2111122022212.

It is not an unprimeable number, because it can be changed into a prime (2111122022213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37698607512 + ... + 37698607567.

Almost surely, 2^{2111122022212} is an apocalyptic number.

It is an amenable number.

2111122022212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2111122022212 is a wasteful number, since it uses less digits than its factorization.

2111122022212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75397215090 (or 75397215088 counting only the distinct ones).

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

Adding to 2111122022212 its reverse (2122202211112), we get a palindrome (4233324233324).

The spelling of 2111122022212 in words is "two trillion, one hundred eleven billion, one hundred twenty-two million, twenty-two thousand, two hundred twelve".