22120100212011 has 16 divisors (see below), whose sum is σ = 29934009836544. Its totient is φ = 14526467059104.

The previous prime is 22120100212003. The next prime is 22120100212013. The reversal of 22120100212011 is 11021200102122.

It is not a de Polignac number, because 22120100212011 - 2³ = 22120100212003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22120100212013) 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, 18450961 + ... + 19613213.

It is an arithmetic number, because the mean of its divisors is an integer number (1870875614784).

Almost surely, 2^{22120100212011} is an apocalyptic number.

22120100212011 is a deficient number, since it is larger than the sum of its proper divisors (7813909624533).

22120100212011 is a wasteful number, since it uses less digits than its factorization.

22120100212011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1257010.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22120100212011 its reverse (11021200102122), we get a palindrome (33141300314133).

The spelling of 22120100212011 in words is "twenty-two trillion, one hundred twenty billion, one hundred million, two hundred twelve thousand, eleven".