20201121220022 has 8 divisors (see below), whose sum is σ = 30301751615736. Its totient is φ = 10100537348112.

The previous prime is 20201121219973. The next prime is 20201121220039. The reversal of 20201121220022 is 22002212110202.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10524368 + ... + 12294899.

It is an arithmetic number, because the mean of its divisors is an integer number (3787718951967).

Almost surely, 2^{20201121220022} is an apocalyptic number.

20201121220022 is a deficient number, since it is larger than the sum of its proper divisors (10100630395714).

20201121220022 is a wasteful number, since it uses less digits than its factorization.

20201121220022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23261902.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20201121220022 its reverse (22002212110202), we get a palindrome (42203333330224).

The spelling of 20201121220022 in words is "twenty trillion, two hundred one billion, one hundred twenty-one million, two hundred twenty thousand, twenty-two".