20122022120021 has 8 divisors (see below), whose sum is σ = 20130867041664. Its totient is φ = 20113177649040.

The previous prime is 20122022119939. The next prime is 20122022120023. The reversal of 20122022120021 is 12002122022102.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20122022120021 is a prime.

It is a super-2 number, since 2×20122022120021² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122022120023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114488591 + ... + 114664211.

It is an arithmetic number, because the mean of its divisors is an integer number (2516358380208).

Almost surely, 2^{20122022120021} is an apocalyptic number.

It is an amenable number.

20122022120021 is a deficient number, since it is larger than the sum of its proper divisors (8844921643).

20122022120021 is a wasteful number, since it uses less digits than its factorization.

20122022120021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225331.

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

Adding to 20122022120021 its reverse (12002122022102), we get a palindrome (32124144142123).

The spelling of 20122022120021 in words is "twenty trillion, one hundred twenty-two billion, twenty-two million, one hundred twenty thousand, twenty-one".