111010122221201 has 4 divisors (see below), whose sum is σ = 126868711109952. Its totient is φ = 95151533332452.

The previous prime is 111010122221171. The next prime is 111010122221249. The reversal of 111010122221201 is 102122221010111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 111010122221201 - 2²² = 111010118026897 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111010122221201.

It is not an unprimeable number, because it can be changed into a prime (111010122211201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7929294444365 + ... + 7929294444378.

It is an arithmetic number, because the mean of its divisors is an integer number (31717177777488).

Almost surely, 2^{111010122221201} is an apocalyptic number.

It is an amenable number.

111010122221201 is a deficient number, since it is larger than the sum of its proper divisors (15858588888751).

111010122221201 is an equidigital number, since it uses as much as digits as its factorization.

111010122221201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15858588888750.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 111010122221201 its reverse (102122221010111), we get a palindrome (213132343231312).

The spelling of 111010122221201 in words is "one hundred eleven trillion, ten billion, one hundred twenty-two million, two hundred twenty-one thousand, two hundred one".