111210212201011 has 64 divisors (see below), whose sum is σ = 140916755506176. Its totient is φ = 85252829184000.

The previous prime is 111210212200957. The next prime is 111210212201041. The reversal of 111210212201011 is 110102212012111.

It is a cyclic number.

It is not a de Polignac number, because 111210212201011 - 2⁷ = 111210212200883 is a prime.

It is a super-2 number, since 2×111210212201011² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111210212201041) 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, 7546319035 + ... + 7546333771.

It is an arithmetic number, because the mean of its divisors is an integer number (2201824304784).

Almost surely, 2^{111210212201011} is an apocalyptic number.

111210212201011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111210212201011 is a deficient number, since it is larger than the sum of its proper divisors (29706543305165).

111210212201011 is a wasteful number, since it uses less digits than its factorization.

111210212201011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20972.

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

Adding to 111210212201011 its reverse (110102212012111), we get a palindrome (221312424213122).

The spelling of 111210212201011 in words is "one hundred eleven trillion, two hundred ten billion, two hundred twelve million, two hundred one thousand, eleven".