202201221012221 has 8 divisors (see below), whose sum is σ = 212843562142080. Its totient is φ = 191558897042688.

The previous prime is 202201221012191. The next prime is 202201221012233. The reversal of 202201221012221 is 122210122102202.

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 202201221012221 - 2³⁴ = 202184041143037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 202201221012193 and 202201221012202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202201221011221) 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, 25036700 + ... + 32112906.

It is an arithmetic number, because the mean of its divisors is an integer number (26605445267760).

Almost surely, 2^{202201221012221} is an apocalyptic number.

It is an amenable number.

202201221012221 is a deficient number, since it is larger than the sum of its proper divisors (10642341129859).

202201221012221 is a wasteful number, since it uses less digits than its factorization.

202201221012221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8580163.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 202201221012221 its reverse (122210122102202), we get a palindrome (324411343114423).

The spelling of 202201221012221 in words is "two hundred two trillion, two hundred one billion, two hundred twenty-one million, twelve thousand, two hundred twenty-one".