22220022021111 has 12 divisors (see below), whose sum is σ = 32407195009488. Its totient is φ = 14669529100704.

The previous prime is 22220022021097. The next prime is 22220022021157. The reversal of 22220022021111 is 11112022002222.

It is a happy number.

22220022021111 is a `hidden beast` number, since 2 + 2 + 220 + 0 + 220 + 211 + 11 = 666.

It is not a de Polignac number, because 22220022021111 - 2¹⁹ = 22220021496823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22220022020111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11984908470 + ... + 11984910323.

It is an arithmetic number, because the mean of its divisors is an integer number (2700599584124).

Almost surely, 2^{22220022021111} is an apocalyptic number.

22220022021111 is a deficient number, since it is larger than the sum of its proper divisors (10187172988377).

22220022021111 is a wasteful number, since it uses less digits than its factorization.

22220022021111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23969818902 (or 23969818899 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22220022021111 its reverse (11112022002222), we get a palindrome (33332044023333).

The spelling of 22220022021111 in words is "twenty-two trillion, two hundred twenty billion, twenty-two million, twenty-one thousand, one hundred eleven".