22112211112201 has 16 divisors (see below), whose sum is σ = 25624201753728. Its totient is φ = 18688636656000.

The previous prime is 22112211112177. The next prime is 22112211112213. The reversal of 22112211112201 is 10221111221122.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22112211112201 - 2⁷ = 22112211112073 is a prime.

It is a super-2 number, since 2×22112211112201² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22112211112501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3954835 + ... + 7737256.

It is an arithmetic number, because the mean of its divisors is an integer number (1601512609608).

Almost surely, 2^{22112211112201} is an apocalyptic number.

It is an amenable number.

22112211112201 is a deficient number, since it is larger than the sum of its proper divisors (3511990641527).

22112211112201 is a wasteful number, since it uses less digits than its factorization.

22112211112201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11695872.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 22112211112201 its reverse (10221111221122), we get a palindrome (32333322333323).

The spelling of 22112211112201 in words is "twenty-two trillion, one hundred twelve billion, two hundred eleven million, one hundred twelve thousand, two hundred one".