112210111212111 has 128 divisors (see below), whose sum is σ = 193836277324800. Its totient is φ = 63399790817280.

The previous prime is 112210111212097. The next prime is 112210111212113. The reversal of 112210111212111 is 111212111012211.

112210111212111 is a `hidden beast` number, since 11 + 221 + 0 + 111 + 212 + 111 = 666.

It is not a de Polignac number, because 112210111212111 - 2⁵ = 112210111212079 is a prime.

It is a super-2 number, since 2×112210111212111² (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 (112210111212113) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1977346840 + ... + 1977403586.

It is an arithmetic number, because the mean of its divisors is an integer number (1514345916600).

Almost surely, 2^{112210111212111} is an apocalyptic number.

112210111212111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

112210111212111 is a deficient number, since it is larger than the sum of its proper divisors (81626166112689).

112210111212111 is a wasteful number, since it uses less digits than its factorization.

112210111212111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60486 (or 60480 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 18.

Adding to 112210111212111 its reverse (111212111012211), we get a palindrome (223422222224322).

The spelling of 112210111212111 in words is "one hundred twelve trillion, two hundred ten billion, one hundred eleven million, two hundred twelve thousand, one hundred eleven".