202200021122221 has 8 divisors (see below), whose sum is σ = 202722647962464. Its totient is φ = 201677594954640.

The previous prime is 202200021122173. The next prime is 202200021122227. The reversal of 202200021122221 is 122221120002202.

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

It is a cyclic number.

It is not a de Polignac number, because 202200021122221 - 2³⁵ = 202165661383853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202200021122227) 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, 48150235 + ... + 52180888.

It is an arithmetic number, because the mean of its divisors is an integer number (25340330995308).

Almost surely, 2^{202200021122221} is an apocalyptic number.

It is an amenable number.

202200021122221 is a deficient number, since it is larger than the sum of its proper divisors (522626840243).

202200021122221 is a wasteful number, since it uses less digits than its factorization.

202200021122221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100336331.

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

Adding to 202200021122221 its reverse (122221120002202), we get a palindrome (324421141124423).

The spelling of 202200021122221 in words is "two hundred two trillion, two hundred billion, twenty-one million, one hundred twenty-two thousand, two hundred twenty-one".