111211201202101 has 192 divisors, whose sum is σ = 157581614131200. Its totient is φ = 76273021440000.

The previous prime is 111211201202069. The next prime is 111211201202249. The reversal of 111211201202101 is 101202102112111.

It is not a de Polignac number, because 111211201202101 - 2⁵ = 111211201202069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111211201202701) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 13190744356 + ... + 13190752786.

It is an arithmetic number, because the mean of its divisors is an integer number (820737573600).

Almost surely, 2^{111211201202101} is an apocalyptic number.

111211201202101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111211201202101 is a deficient number, since it is larger than the sum of its proper divisors (46370412929099).

111211201202101 is a wasteful number, since it uses less digits than its factorization.

111211201202101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9012 (or 9001 counting only the distinct ones).

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

Adding to 111211201202101 its reverse (101202102112111), we get a palindrome (212413303314212).

The spelling of 111211201202101 in words is "one hundred eleven trillion, two hundred eleven billion, two hundred one million, two hundred two thousand, one hundred one".