202222000212121 has 8 divisors (see below), whose sum is σ = 216473149202400. Its totient is φ = 188331639804000.

The previous prime is 202222000212109. The next prime is 202222000212139. The reversal of 202222000212121 is 121212000222202.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202222000212121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202222000212521) 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, 90197144380 + ... + 90197146621.

It is an arithmetic number, because the mean of its divisors is an integer number (27059143650300).

Almost surely, 2^{202222000212121} is an apocalyptic number.

It is an amenable number.

202222000212121 is a deficient number, since it is larger than the sum of its proper divisors (14251148990279).

202222000212121 is a wasteful number, since it uses less digits than its factorization.

202222000212121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180394291079.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 202222000212121 its reverse (121212000222202), we get a palindrome (323434000434323).

The spelling of 202222000212121 in words is "two hundred two trillion, two hundred twenty-two billion, two hundred twelve thousand, one hundred twenty-one".