22020002000121 has 4 divisors (see below), whose sum is σ = 29360002666832. Its totient is φ = 14680001333412.

The previous prime is 22020002000099. The next prime is 22020002000189. The reversal of 22020002000121 is 12100020002022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 22020002000121 - 2⁵ = 22020002000089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22020002000097 and 22020002000106.

It is not an unprimeable number, because it can be changed into a prime (22020002000021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3670000333351 + ... + 3670000333356.

It is an arithmetic number, because the mean of its divisors is an integer number (7340000666708).

Almost surely, 2^{22020002000121} is an apocalyptic number.

It is an amenable number.

22020002000121 is a deficient number, since it is larger than the sum of its proper divisors (7340000666711).

22020002000121 is an equidigital number, since it uses as much as digits as its factorization.

22020002000121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7340000666710.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 22020002000121 its reverse (12100020002022), we get a palindrome (34120022002143).

The spelling of 22020002000121 in words is "twenty-two trillion, twenty billion, two million, one hundred twenty-one", and thus it is an aban number.