211112113201 has 16 divisors (see below), whose sum is σ = 232697088000. Its totient is φ = 189928483920.

The previous prime is 211112113111. The next prime is 211112113273. The reversal of 211112113201 is 102311211112.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 211112113201 - 2¹⁹ = 211111588913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211112113601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1636216 + ... + 1760518.

It is an arithmetic number, because the mean of its divisors is an integer number (14543568000).

Almost surely, 2^211112113201 is an apocalyptic number.

It is an amenable number.

211112113201 is a deficient number, since it is larger than the sum of its proper divisors (21584974799).

211112113201 is a wasteful number, since it uses less digits than its factorization.

211112113201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125916.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 211112113201 its reverse (102311211112), we get a palindrome (313423324313).

It can be divided in two parts, 21111 and 2113201, that added together give a palindrome (2134312).

The spelling of 211112113201 in words is "two hundred eleven billion, one hundred twelve million, one hundred thirteen thousand, two hundred one".