202001122010221 has 8 divisors (see below), whose sum is σ = 202434326115840. Its totient is φ = 201567920698368.

The previous prime is 202001122010197. The next prime is 202001122010227. The reversal of 202001122010221 is 122010221100202.

It is a happy number.

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 202001122010221 - 2²³ = 202001113621613 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202001122010195 and 202001122010204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202001122010227) 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, 216131565 + ... + 217064173.

It is an arithmetic number, because the mean of its divisors is an integer number (25304290764480).

Almost surely, 2^{202001122010221} is an apocalyptic number.

It is an amenable number.

202001122010221 is a deficient number, since it is larger than the sum of its proper divisors (433204105619).

202001122010221 is an equidigital number, since it uses as much as digits as its factorization.

202001122010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1396883.

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

Adding to 202001122010221 its reverse (122010221100202), we get a palindrome (324011343110423).

The spelling of 202001122010221 in words is "two hundred two trillion, one billion, one hundred twenty-two million, ten thousand, two hundred twenty-one".