2111110222212 has 36 divisors (see below), whose sum is σ = 5336464691376. Its totient is φ = 703697185200.

The previous prime is 2111110222201. The next prime is 2111110222223. The reversal of 2111110222212 is 2122220111112.

2111110222212 is a `hidden beast` number, since 211 + 11 + 10 + 222 + 212 = 666.

It is an interprime number because it is at equal distance from previous prime (2111110222201) and next prime (2111110222223).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5824087 + ... + 6175937.

It is an arithmetic number, because the mean of its divisors is an integer number (148235130316).

Almost surely, 2^{2111110222212} is an apocalyptic number.

It is an amenable number.

2111110222212 is an abundant number, since it is smaller than the sum of its proper divisors (3225354469164).

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

2111110222212 is a wasteful number, since it uses less digits than its factorization.

2111110222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518528 (or 518523 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 2111110222212 its reverse (2122220111112), we get a palindrome (4233330333324).

The spelling of 2111110222212 in words is "two trillion, one hundred eleven billion, one hundred ten million, two hundred twenty-two thousand, two hundred twelve".