2111111137212 has 96 divisors (see below), whose sum is σ = 6185597429760. Its totient is φ = 544395625920.

The previous prime is 2111111137211. The next prime is 2111111137237. The reversal of 2111111137212 is 2127311111112.

It is a super-2 number, since 2×2111111137212² (a number of 25 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111111137211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8090098 + ... + 8346969.

It is an arithmetic number, because the mean of its divisors is an integer number (64433306560).

Almost surely, 2^{2111111137212} is an apocalyptic number.

2111111137212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2111111137212 is an abundant number, since it is smaller than the sum of its proper divisors (4074486292548).

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

2111111137212 is a wasteful number, since it uses less digits than its factorization.

2111111137212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16437231 (or 16437229 counting only the distinct ones).

The product of its digits is 168, while the sum is 24.

Adding to 2111111137212 its reverse (2127311111112), we get a palindrome (4238422248324).

The spelling of 2111111137212 in words is "two trillion, one hundred eleven billion, one hundred eleven million, one hundred thirty-seven thousand, two hundred twelve".