22202212122111 has 48 divisors (see below), whose sum is σ = 34502947277184. Its totient is φ = 12662351303616.

The previous prime is 22202212122061. The next prime is 22202212122131. The reversal of 22202212122111 is 11122121220222.

It is not a de Polignac number, because 22202212122111 - 2¹⁷ = 22202211991039 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22202212122131) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 720765436 + ... + 720796238.

It is an arithmetic number, because the mean of its divisors is an integer number (718811401608).

Almost surely, 2^{22202212122111} is an apocalyptic number.

22202212122111 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

22202212122111 is a deficient number, since it is larger than the sum of its proper divisors (12300735155073).

22202212122111 is a wasteful number, since it uses less digits than its factorization.

22202212122111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40180 (or 40173 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 22202212122111 its reverse (11122121220222), we get a palindrome (33324333342333).

The spelling of 22202212122111 in words is "twenty-two trillion, two hundred two billion, two hundred twelve million, one hundred twenty-two thousand, one hundred eleven".