22020020012121 has 8 divisors (see below), whose sum is σ = 29378932050720. Its totient is φ = 14670560657472.

The previous prime is 22020020012087. The next prime is 22020020012173. The reversal of 22020020012121 is 12121002002022.

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

It is not a de Polignac number, because 22020020012121 - 2³⁷ = 21882581058649 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22020020012121.

It is not an unprimeable number, because it can be changed into a prime (22020020012321) 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, 2363165551 + ... + 2363174868.

It is an arithmetic number, because the mean of its divisors is an integer number (3672366506340).

Almost surely, 2^{22020020012121} is an apocalyptic number.

It is an amenable number.

22020020012121 is a deficient number, since it is larger than the sum of its proper divisors (7358912038599).

22020020012121 is a wasteful number, since it uses less digits than its factorization.

22020020012121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4726341975.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22020020012121 its reverse (12121002002022), we get a palindrome (34141022014143).

The spelling of 22020020012121 in words is "twenty-two trillion, twenty billion, twenty million, twelve thousand, one hundred twenty-one".