20022110121021 has 8 divisors (see below), whose sum is σ = 26766585211680. Its totient is φ = 13312854222192.

The previous prime is 20022110121007. The next prime is 20022110121037. The reversal of 20022110121021 is 12012101122002.

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

It is not a de Polignac number, because 20022110121021 - 2⁷ = 20022110120893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022110131021) 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, 8804796630 + ... + 8804798903.

It is an arithmetic number, because the mean of its divisors is an integer number (3345823151460).

Almost surely, 2^{20022110121021} is an apocalyptic number.

It is an amenable number.

20022110121021 is a deficient number, since it is larger than the sum of its proper divisors (6744475090659).

20022110121021 is a wasteful number, since it uses less digits than its factorization.

20022110121021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17609595915.

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

Adding to 20022110121021 its reverse (12012101122002), we get a palindrome (32034211243023).

The spelling of 20022110121021 in words is "twenty trillion, twenty-two billion, one hundred ten million, one hundred twenty-one thousand, twenty-one".