22111112220201 has 24 divisors (see below), whose sum is σ = 32892838954560. Its totient is φ = 14302392168096.

The previous prime is 22111112220193. The next prime is 22111112220209. The reversal of 22111112220201 is 10202221111122.

22111112220201 is a `hidden beast` number, since 22 + 111 + 112 + 220 + 201 = 666.

It is an interprime number because it is at equal distance from previous prime (22111112220193) and next prime (22111112220209).

It is not a de Polignac number, because 22111112220201 - 2³ = 22111112220193 is a prime.

It is a super-2 number, since 2×22111112220201² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22111112220209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 92359195 + ... + 92598288.

It is an arithmetic number, because the mean of its divisors is an integer number (1370534956440).

Almost surely, 2^{22111112220201} is an apocalyptic number.

It is an amenable number.

22111112220201 is a deficient number, since it is larger than the sum of its proper divisors (10781726734359).

22111112220201 is a wasteful number, since it uses less digits than its factorization.

22111112220201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184957885 (or 184957882 counting only the distinct ones).

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

Adding to 22111112220201 its reverse (10202221111122), we get a palindrome (32313333331323).

The spelling of 22111112220201 in words is "twenty-two trillion, one hundred eleven billion, one hundred twelve million, two hundred twenty thousand, two hundred one".