202001033222021 has 16 divisors (see below), whose sum is σ = 222790882219776. Its totient is φ = 181619529000000.

The previous prime is 202001033222017. The next prime is 202001033222033. The reversal of 202001033222021 is 120222330100202.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 202001033222021 - 2² = 202001033222017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202001033221984 and 202001033222002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202001033222221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98778830 + ... + 100803071.

It is an arithmetic number, because the mean of its divisors is an integer number (13924430138736).

Almost surely, 2^{202001033222021} is an apocalyptic number.

It is an amenable number.

202001033222021 is a deficient number, since it is larger than the sum of its proper divisors (20789848997755).

202001033222021 is a wasteful number, since it uses less digits than its factorization.

202001033222021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199582924.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 202001033222021 its reverse (120222330100202), we get a palindrome (322223363322223).

The spelling of 202001033222021 in words is "two hundred two trillion, one billion, thirty-three million, two hundred twenty-two thousand, twenty-one".