111202220212011 has 16 divisors (see below), whose sum is σ = 164744193847200. Its totient is φ = 74134739718144.

The previous prime is 111202220211991. The next prime is 111202220212033. The reversal of 111202220212011 is 110212022202111.

111202220212011 is a `hidden beast` number, since 111 + 202 + 220 + 2 + 120 + 11 = 666.

It is not a de Polignac number, because 111202220212011 - 2⁹ = 111202220211499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111202220212091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46565955 + ... + 48895731.

It is an arithmetic number, because the mean of its divisors is an integer number (10296512115450).

Almost surely, 2^{111202220212011} is an apocalyptic number.

111202220212011 is a deficient number, since it is larger than the sum of its proper divisors (53541973635189).

111202220212011 is a wasteful number, since it uses less digits than its factorization.

111202220212011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4097595 (or 4097589 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 111202220212011 its reverse (110212022202111), we get a palindrome (221414242414122).

The spelling of 111202220212011 in words is "one hundred eleven trillion, two hundred two billion, two hundred twenty million, two hundred twelve thousand, eleven".