22012220112111 has 18 divisors (see below), whose sum is σ = 33775767196392. Its totient is φ = 13811589088320.

The previous prime is 22012220112107. The next prime is 22012220112131. The reversal of 22012220112111 is 11121102221022.

22012220112111 is a `hidden beast` number, since 220 + 1 + 2 + 220 + 11 + 211 + 1 = 666.

It is not a de Polignac number, because 22012220112111 - 2² = 22012220112107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22012220112131) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4231489155 + ... + 4231494356.

Almost surely, 2^{22012220112111} is an apocalyptic number.

22012220112111 is a deficient number, since it is larger than the sum of its proper divisors (11763547084281).

22012220112111 is a wasteful number, since it uses less digits than its factorization.

22012220112111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8462983551 (or 8462983531 counting only the distinct ones).

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

Adding to 22012220112111 its reverse (11121102221022), we get a palindrome (33133322333133).

The spelling of 22012220112111 in words is "twenty-two trillion, twelve billion, two hundred twenty million, one hundred twelve thousand, one hundred eleven".