2111023031112 has 48 divisors (see below), whose sum is σ = 5717438941500. Its totient is φ = 703663894656.

The previous prime is 2111023031087. The next prime is 2111023031141. The reversal of 2111023031112 is 2111303201112.

2111023031112 is a `hidden beast` number, since 2 + 1 + 110 + 230 + 311 + 12 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1946175662916 + 164847368196 = 1395054^2 + 406014^2 .

It is a super-2 number, since 2×2111023031112² (a number of 25 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5819314 + ... + 6171422.

Almost surely, 2^{2111023031112} is an apocalyptic number.

It is an amenable number.

2111023031112 is an abundant number, since it is smaller than the sum of its proper divisors (3606415910388).

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

2111023031112 is a wasteful number, since it uses less digits than its factorization.

2111023031112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435390 (or 435383 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 2111023031112 its reverse (2111303201112), we get a palindrome (4222326232224).

The spelling of 2111023031112 in words is "two trillion, one hundred eleven billion, twenty-three million, thirty-one thousand, one hundred twelve".