22201020121011 has 16 divisors (see below), whose sum is σ = 29874478365600. Its totient is φ = 14664135034368.

The previous prime is 22201020120991. The next prime is 22201020121067. The reversal of 22201020121011 is 11012102010222.

It is not a de Polignac number, because 22201020121011 - 2¹⁰ = 22201020119987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22201020121081) 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, 4606075 + ... + 8100491.

It is an arithmetic number, because the mean of its divisors is an integer number (1867154897850).

Almost surely, 2^{22201020121011} is an apocalyptic number.

22201020121011 is a deficient number, since it is larger than the sum of its proper divisors (7673458244589).

22201020121011 is a wasteful number, since it uses less digits than its factorization.

22201020121011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3513958.

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

Adding to 22201020121011 its reverse (11012102010222), we get a palindrome (33213122131233).

The spelling of 22201020121011 in words is "twenty-two trillion, two hundred one billion, twenty million, one hundred twenty-one thousand, eleven".