111202202212101 has 96 divisors (see below), whose sum is σ = 223101597438720. Its totient is φ = 51484983782400.

The previous prime is 111202202212099. The next prime is 111202202212103. The reversal of 111202202212101 is 101212202202111.

111202202212101 is a `hidden beast` number, since 1 + 1 + 12 + 0 + 220 + 221 + 210 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (111202202212099) and next prime (111202202212103).

It is not a de Polignac number, because 111202202212101 - 2¹ = 111202202212099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111202202212103) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 212556960 + ... + 213079481.

It is an arithmetic number, because the mean of its divisors is an integer number (2323974973320).

Almost surely, 2^{111202202212101} is an apocalyptic number.

111202202212101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111202202212101 is an abundant number, since it is smaller than the sum of its proper divisors (111899395226619).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111202202212101 is a wasteful number, since it uses less digits than its factorization.

111202202212101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425636507 (or 425636504 counting only the distinct ones).

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

Adding to 111202202212101 its reverse (101212202202111), we get a palindrome (212414404414212).

The spelling of 111202202212101 in words is "one hundred eleven trillion, two hundred two billion, two hundred two million, two hundred twelve thousand, one hundred one".