111010102122201 has 4 divisors (see below), whose sum is σ = 148013469496272. Its totient is φ = 74006734748132.

The previous prime is 111010102122149. The next prime is 111010102122239. The reversal of 111010102122201 is 102221201010111.

It is a happy number.

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 111010102122201 - 2³³ = 111001512187609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111010102122251) 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, 18501683687031 + ... + 18501683687036.

It is an arithmetic number, because the mean of its divisors is an integer number (37003367374068).

Almost surely, 2^{111010102122201} is an apocalyptic number.

It is an amenable number.

111010102122201 is a deficient number, since it is larger than the sum of its proper divisors (37003367374071).

111010102122201 is an equidigital number, since it uses as much as digits as its factorization.

111010102122201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37003367374070.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 111010102122201 its reverse (102221201010111), we get a palindrome (213231303132312).

The spelling of 111010102122201 in words is "one hundred eleven trillion, ten billion, one hundred two million, one hundred twenty-two thousand, two hundred one".