22056711550211 has 16 divisors (see below), whose sum is σ = 23767760969568. Its totient is φ = 20347717881600.

The previous prime is 22056711550177. The next prime is 22056711550249. The reversal of 22056711550211 is 11205511765022.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22056711550211 is a prime.

It is a super-2 number, since 2×22056711550211² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22056711550711) 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 15 ways as a sum of consecutive naturals, for example, 532994741 + ... + 533036121.

It is an arithmetic number, because the mean of its divisors is an integer number (1485485060598).

Almost surely, 2^{22056711550211} is an apocalyptic number.

22056711550211 is a deficient number, since it is larger than the sum of its proper divisors (1711049419357).

22056711550211 is a wasteful number, since it uses less digits than its factorization.

22056711550211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65222.

The product of its (nonzero) digits is 42000, while the sum is 38.

The spelling of 22056711550211 in words is "twenty-two trillion, fifty-six billion, seven hundred eleven million, five hundred fifty thousand, two hundred eleven".