2112111115252 has 24 divisors (see below), whose sum is σ = 3995885899040. Its totient is φ = 973433855520.

The previous prime is 2112111115211. The next prime is 2112111115259. The reversal of 2112111115252 is 2525111112112.

It is a super-2 number, since 2×2112111115252² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112111115259) 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, 375550374 + ... + 375555997.

Almost surely, 2^{2112111115252} is an apocalyptic number.

It is an amenable number.

2112111115252 is a deficient number, since it is larger than the sum of its proper divisors (1883774783788).

2112111115252 is a wasteful number, since it uses less digits than its factorization.

2112111115252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751106431 (or 751106429 counting only the distinct ones).

The product of its digits is 400, while the sum is 25.

Adding to 2112111115252 its reverse (2525111112112), we get a palindrome (4637222227364).

The spelling of 2112111115252 in words is "two trillion, one hundred twelve billion, one hundred eleven million, one hundred fifteen thousand, two hundred fifty-two".