22122210011111 has 16 divisors (see below), whose sum is σ = 25446845760000. Its totient is φ = 18838810981728.

The previous prime is 22122210011107. The next prime is 22122210011113. The reversal of 22122210011111 is 11111001222122.

It is a cyclic number.

It is not a de Polignac number, because 22122210011111 - 2² = 22122210011107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22122210011111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22122210011113) 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, 4834661 + ... + 8223038.

It is an arithmetic number, because the mean of its divisors is an integer number (1590427860000).

Almost surely, 2^{22122210011111} is an apocalyptic number.

22122210011111 is a deficient number, since it is larger than the sum of its proper divisors (3324635748889).

22122210011111 is a wasteful number, since it uses less digits than its factorization.

22122210011111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13059278.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 22122210011111 its reverse (11111001222122), we get a palindrome (33233211233233).

The spelling of 22122210011111 in words is "twenty-two trillion, one hundred twenty-two billion, two hundred ten million, eleven thousand, one hundred eleven".