22220021112111 has 16 divisors (see below), whose sum is σ = 32948020341600. Its totient is φ = 14800085662464.

The previous prime is 22220021112109. The next prime is 22220021112139. The reversal of 22220021112111 is 11121112002222.

22220021112111 is a `hidden beast` number, since 22 + 220 + 0 + 211 + 1 + 211 + 1 = 666.

It is not a de Polignac number, because 22220021112111 - 2¹ = 22220021112109 is a prime.

It is a super-2 number, since 2×22220021112111² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22220021112181) 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, 368351106 + ... + 368411423.

It is an arithmetic number, because the mean of its divisors is an integer number (2059251271350).

Almost surely, 2^{22220021112111} is an apocalyptic number.

22220021112111 is a deficient number, since it is larger than the sum of its proper divisors (10727999229489).

22220021112111 is a wasteful number, since it uses less digits than its factorization.

22220021112111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736763655 (or 736763649 counting only the distinct ones).

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

Adding to 22220021112111 its reverse (11121112002222), we get a palindrome (33341133114333).

The spelling of 22220021112111 in words is "twenty-two trillion, two hundred twenty billion, twenty-one million, one hundred twelve thousand, one hundred eleven".