112122021021111 has 48 divisors (see below), whose sum is σ = 167030201699712. Its totient is φ = 72443072832000.

The previous prime is 112122021021037. The next prime is 112122021021139. The reversal of 112122021021111 is 111120120221211.

It is a happy number.

112122021021111 is a `hidden beast` number, since 1 + 1 + 21 + 220 + 210 + 211 + 1 + 1 = 666.

It is not a de Polignac number, because 112122021021111 - 2¹⁵ = 112122020988343 is a prime.

It is a super-2 number, since 2×112122021021111² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112122021021161) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18064411 + ... + 23464163.

It is an arithmetic number, because the mean of its divisors is an integer number (3479795868744).

Almost surely, 2^{112122021021111} is an apocalyptic number.

112122021021111 is a deficient number, since it is larger than the sum of its proper divisors (54908180678601).

112122021021111 is a wasteful number, since it uses less digits than its factorization.

112122021021111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5400344 (or 5400341 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 112122021021111 its reverse (111120120221211), we get a palindrome (223242141242322).

The spelling of 112122021021111 in words is "one hundred twelve trillion, one hundred twenty-two billion, twenty-one million, twenty-one thousand, one hundred eleven".