111012222202101 has 128 divisors (see below), whose sum is σ = 185108548423680. Its totient is φ = 65168951500800.

The previous prime is 111012222202093. The next prime is 111012222202103. The reversal of 111012222202101 is 101202222210111.

111012222202101 is a `hidden beast` number, since 1 + 1 + 10 + 1 + 222 + 220 + 210 + 1 = 666.

It is not a de Polignac number, because 111012222202101 - 2³ = 111012222202093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111012222202103) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1951080085 + ... + 1951136981.

It is an arithmetic number, because the mean of its divisors is an integer number (1446160534560).

Almost surely, 2^{111012222202101} is an apocalyptic number.

111012222202101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111012222202101 is a deficient number, since it is larger than the sum of its proper divisors (74096326221579).

111012222202101 is a wasteful number, since it uses less digits than its factorization.

111012222202101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58104 (or 58098 counting only the distinct ones).

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

Adding to 111012222202101 its reverse (101202222210111), we get a palindrome (212214444412212).

The spelling of 111012222202101 in words is "one hundred eleven trillion, twelve billion, two hundred twenty-two million, two hundred two thousand, one hundred one".