111211210012201 has 32 divisors (see below), whose sum is σ = 121101121164800. Its totient is φ = 101518270963200.

The previous prime is 111211210012141. The next prime is 111211210012211. The reversal of 111211210012201 is 102210012112111.

It is not a de Polignac number, because 111211210012201 - 2²⁷ = 111211075794473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111211210012211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6031294540 + ... + 6031312978.

It is an arithmetic number, because the mean of its divisors is an integer number (3784410036400).

Almost surely, 2^{111211210012201} is an apocalyptic number.

It is an amenable number.

111211210012201 is a deficient number, since it is larger than the sum of its proper divisors (9889911152599).

111211210012201 is a wasteful number, since it uses less digits than its factorization.

111211210012201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32249.

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

Adding to 111211210012201 its reverse (102210012112111), we get a palindrome (213421222124312).

The spelling of 111211210012201 in words is "one hundred eleven trillion, two hundred eleven billion, two hundred ten million, twelve thousand, two hundred one".