22021122202101 has 24 divisors (see below), whose sum is σ = 35217859850784. Its totient is φ = 13146938624160.

The previous prime is 22021122202069. The next prime is 22021122202169. The reversal of 22021122202101 is 10120222112022.

It is a happy number.

22021122202101 is a `hidden beast` number, since 2 + 20 + 211 + 2 + 220 + 210 + 1 = 666.

It is not a de Polignac number, because 22021122202101 - 2⁵ = 22021122202069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22021122202171) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1659960366 + ... + 1659973631.

It is an arithmetic number, because the mean of its divisors is an integer number (1467410827116).

Almost surely, 2^{22021122202101} is an apocalyptic number.

It is an amenable number.

22021122202101 is a deficient number, since it is larger than the sum of its proper divisors (13196737648683).

22021122202101 is a wasteful number, since it uses less digits than its factorization.

22021122202101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3319934081 (or 3319934078 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22021122202101 its reverse (10120222112022), we get a palindrome (32141344314123).

The spelling of 22021122202101 in words is "twenty-two trillion, twenty-one billion, one hundred twenty-two million, two hundred two thousand, one hundred one".