20222010210121 has 4 divisors (see below), whose sum is σ = 20222356233744. Its totient is φ = 20221664186500.

The previous prime is 20222010210119. The next prime is 20222010210133. The reversal of 20222010210121 is 12101201022202.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 20222010210121 - 2¹ = 20222010210119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20222010210095 and 20222010210104.

It is not an unprimeable number, because it can be changed into a prime (20222010210151) 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, 172924135 + ... + 173041036.

It is an arithmetic number, because the mean of its divisors is an integer number (5055589058436).

Almost surely, 2^{20222010210121} is an apocalyptic number.

It is an amenable number.

20222010210121 is a deficient number, since it is larger than the sum of its proper divisors (346023623).

20222010210121 is an equidigital number, since it uses as much as digits as its factorization.

20222010210121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346023622.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20222010210121 its reverse (12101201022202), we get a palindrome (32323211232323).

The spelling of 20222010210121 in words is "twenty trillion, two hundred twenty-two billion, ten million, two hundred ten thousand, one hundred twenty-one".