22002101120021 has 8 divisors (see below), whose sum is σ = 24070287297024. Its totient is φ = 19945247470720.

The previous prime is 22002101120011. The next prime is 22002101120039. The reversal of 22002101120021 is 12002110120022.

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

It is not a de Polignac number, because 22002101120021 - 2²² = 22002096925717 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22002101119978 and 22002101120005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22002101120011) 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, 2833127861 + ... + 2833135626.

It is an arithmetic number, because the mean of its divisors is an integer number (3008785912128).

Almost surely, 2^{22002101120021} is an apocalyptic number.

It is an amenable number.

22002101120021 is a deficient number, since it is larger than the sum of its proper divisors (2068186177003).

22002101120021 is a wasteful number, since it uses less digits than its factorization.

22002101120021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5666263851.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22002101120021 its reverse (12002110120022), we get a palindrome (34004211240043).

Subtracting from 22002101120021 its reverse (12002110120022), we obtain a palindrome (9999990999999).

It can be divided in two parts, 22002101 and 120021, that added together give a palindrome (22122122).

The spelling of 22002101120021 in words is "twenty-two trillion, two billion, one hundred one million, one hundred twenty thousand, twenty-one".