112121022012111 has 64 divisors (see below), whose sum is σ = 198882979676160. Its totient is φ = 61076999190240.

The previous prime is 112121022012101. The next prime is 112121022012137. The reversal of 112121022012111 is 111210220121211.

It is a happy number.

112121022012111 is a `hidden beast` number, since 1 + 1 + 21 + 210 + 220 + 1 + 211 + 1 = 666.

It is not a de Polignac number, because 112121022012111 - 2⁵ = 112121022012079 is a prime.

It is a super-2 number, since 2×112121022012111² (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 (112121022012101) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 142417491 + ... + 143202596.

It is an arithmetic number, because the mean of its divisors is an integer number (3107546557440).

Almost surely, 2^{112121022012111} is an apocalyptic number.

112121022012111 is a deficient number, since it is larger than the sum of its proper divisors (86761957664049).

112121022012111 is a wasteful number, since it uses less digits than its factorization.

112121022012111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285620201 (or 285620195 counting only the distinct ones).

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

Adding to 112121022012111 its reverse (111210220121211), we get a palindrome (223331242133322).

The spelling of 112121022012111 in words is "one hundred twelve trillion, one hundred twenty-one billion, twenty-two million, twelve thousand, one hundred eleven".