22000210021121 has 4 divisors (see below), whose sum is σ = 22007165512752. Its totient is φ = 21993254529492.

The previous prime is 22000210021103. The next prime is 22000210021187. The reversal of 22000210021121 is 12112001200022.

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 22000210021121 - 2¹⁸ = 22000209758977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22000210021096 and 22000210021105.

It is not an unprimeable number, because it can be changed into a prime (22000210021421) 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, 3477741071 + ... + 3477747396.

It is an arithmetic number, because the mean of its divisors is an integer number (5501791378188).

Almost surely, 2^{22000210021121} is an apocalyptic number.

It is an amenable number.

22000210021121 is a deficient number, since it is larger than the sum of its proper divisors (6955491631).

22000210021121 is an equidigital number, since it uses as much as digits as its factorization.

22000210021121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6955491630.

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

Adding to 22000210021121 its reverse (12112001200022), we get a palindrome (34112211221143).

The spelling of 22000210021121 in words is "twenty-two trillion, two hundred ten million, twenty-one thousand, one hundred twenty-one".