22100212111011 has 4 divisors (see below), whose sum is σ = 29466949481352. Its totient is φ = 14733474740672.

The previous prime is 22100212110953. The next prime is 22100212111067. The reversal of 22100212111011 is 11011121200122.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22100212111011 - 2⁶ = 22100212110947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22100212111111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3683368685166 + ... + 3683368685171.

It is an arithmetic number, because the mean of its divisors is an integer number (7366737370338).

Almost surely, 2^{22100212111011} is an apocalyptic number.

22100212111011 is a deficient number, since it is larger than the sum of its proper divisors (7366737370341).

22100212111011 is an equidigital number, since it uses as much as digits as its factorization.

22100212111011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7366737370340.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 22100212111011 its reverse (11011121200122), we get a palindrome (33111333311133).

The spelling of 22100212111011 in words is "twenty-two trillion, one hundred billion, two hundred twelve million, one hundred eleven thousand, eleven".