111010112202201 has 24 divisors (see below), whose sum is σ = 154731882748800. Its totient is φ = 70787578246176.

The previous prime is 111010112202173. The next prime is 111010112202277. The reversal of 111010112202201 is 102202211010111.

It is a happy number.

It is not a de Polignac number, because 111010112202201 - 2²¹ = 111010110105049 is a prime.

It is a super-2 number, since 2×111010112202201² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111010112252201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77928400 + ... + 79340126.

It is an arithmetic number, because the mean of its divisors is an integer number (6447161781200).

Almost surely, 2^{111010112202201} is an apocalyptic number.

It is an amenable number.

111010112202201 is a deficient number, since it is larger than the sum of its proper divisors (43721770546599).

111010112202201 is a wasteful number, since it uses less digits than its factorization.

111010112202201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1461325 (or 1461302 counting only the distinct ones).

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

Adding to 111010112202201 its reverse (102202211010111), we get a palindrome (213212323212312).

It can be divided in two parts, 111010 and 112202201, that added together give a palindrome (112313211).

The spelling of 111010112202201 in words is "one hundred eleven trillion, ten billion, one hundred twelve million, two hundred two thousand, two hundred one".