22122001220011 has 32 divisors (see below), whose sum is σ = 28504312381440. Its totient is φ = 16661976458400.

The previous prime is 22122001220003. The next prime is 22122001220057. The reversal of 22122001220011 is 11002210022122.

It is a happy number.

It is not a de Polignac number, because 22122001220011 - 2³ = 22122001220003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22122001221011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3520371 + ... + 7525756.

It is an arithmetic number, because the mean of its divisors is an integer number (890759761920).

Almost surely, 2^{22122001220011} is an apocalyptic number.

22122001220011 is a deficient number, since it is larger than the sum of its proper divisors (6382311161429).

22122001220011 is a wasteful number, since it uses less digits than its factorization.

22122001220011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11047015.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22122001220011 its reverse (11002210022122), we get a palindrome (33124211242133).

The spelling of 22122001220011 in words is "twenty-two trillion, one hundred twenty-two billion, one million, two hundred twenty thousand, eleven".