22106780211 has 16 divisors (see below), whose sum is σ = 30776841216. Its totient is φ = 14088102336.

The previous prime is 22106780177. The next prime is 22106780251. The reversal of 22106780211 is 11208760122.

It is not a de Polignac number, because 22106780211 - 2⁶ = 22106780147 is a prime.

It is a super-2 number, since 2×22106780211² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22106780251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8031 + ... + 210423.

It is an arithmetic number, because the mean of its divisors is an integer number (1923552576).

Almost surely, 2^22106780211 is an apocalyptic number.

22106780211 is a deficient number, since it is larger than the sum of its proper divisors (8670061005).

22106780211 is a wasteful number, since it uses less digits than its factorization.

22106780211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204002.

The product of its (nonzero) digits is 2688, while the sum is 30.

The spelling of 22106780211 in words is "twenty-two billion, one hundred six million, seven hundred eighty thousand, two hundred eleven".