111200122122201 has 64 divisors (see below), whose sum is σ = 188640855244800. Its totient is φ = 63419623920000.

The previous prime is 111200122122101. The next prime is 111200122122209. The reversal of 111200122122201 is 102221221002111.

111200122122201 is a `hidden beast` number, since 111 + 200 + 122 + 12 + 220 + 1 = 666.

It is not a de Polignac number, because 111200122122201 - 2¹⁹ = 111200121597913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111200122122209) 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, 415488376 + ... + 415755926.

It is an arithmetic number, because the mean of its divisors is an integer number (2947513363200).

Almost surely, 2^{111200122122201} is an apocalyptic number.

It is an amenable number.

111200122122201 is a deficient number, since it is larger than the sum of its proper divisors (77440733122599).

111200122122201 is a wasteful number, since it uses less digits than its factorization.

111200122122201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271827 (or 271821 counting only the distinct ones).

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

Adding to 111200122122201 its reverse (102221221002111), we get a palindrome (213421343124312).

The spelling of 111200122122201 in words is "one hundred eleven trillion, two hundred billion, one hundred twenty-two million, one hundred twenty-two thousand, two hundred one".