22020001121 has 8 divisors (see below), whose sum is σ = 22281264864. Its totient is φ = 21759764800.

The previous prime is 22020001103. The next prime is 22020001147. The reversal of 22020001121 is 12110002022.

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 not a de Polignac number, because 22020001121 - 2⁶ = 22020001057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22020081121) 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, 213695 + ... + 299508.

It is an arithmetic number, because the mean of its divisors is an integer number (2785158108).

Almost surely, 2^22020001121 is an apocalyptic number.

It is an amenable number.

22020001121 is a deficient number, since it is larger than the sum of its proper divisors (261263743).

22020001121 is a wasteful number, since it uses less digits than its factorization.

22020001121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513711.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 22020001121 its reverse (12110002022), we get a palindrome (34130003143).

Subtracting from 22020001121 its reverse (12110002022), we obtain a palindrome (9909999099).

The spelling of 22020001121 in words is "twenty-two billion, twenty million, one thousand, one hundred twenty-one".