22101320212011 has 48 divisors (see below), whose sum is σ = 33574741584384. Its totient is φ = 13992032238912.

The previous prime is 22101320212009. The next prime is 22101320212031. The reversal of 22101320212011 is 11021202310122.

22101320212011 is a `hidden beast` number, since 2 + 210 + 1 + 320 + 2 + 120 + 11 = 666.

It is not a de Polignac number, because 22101320212011 - 2¹ = 22101320212009 is a prime.

It is a super-2 number, since 2×22101320212011² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22101320212031) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18419740 + ... + 19582886.

It is an arithmetic number, because the mean of its divisors is an integer number (699473783008).

Almost surely, 2^{22101320212011} is an apocalyptic number.

22101320212011 is a deficient number, since it is larger than the sum of its proper divisors (11473421372373).

22101320212011 is a wasteful number, since it uses less digits than its factorization.

22101320212011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1164560 (or 1164557 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 22101320212011 its reverse (11021202310122), we get a palindrome (33122522522133).

The spelling of 22101320212011 in words is "twenty-two trillion, one hundred one billion, three hundred twenty million, two hundred twelve thousand, eleven".