202023002011221 has 112 divisors (see below), whose sum is σ = 306151587710208. Its totient is φ = 133242537600000.

The previous prime is 202023002011219. The next prime is 202023002011297. The reversal of 202023002011221 is 122110200320202.

202023002011221 is a `hidden beast` number, since 20 + 20 + 2 + 300 + 201 + 122 + 1 = 666.

It is not a de Polignac number, because 202023002011221 - 2¹ = 202023002011219 is a prime.

It is a super-2 number, since 2×202023002011221² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202023002011194 and 202023002011203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202023002011321) by changing a digit.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 50493125221 + ... + 50493129221.

Almost surely, 2^{202023002011221} is an apocalyptic number.

It is an amenable number.

202023002011221 is a deficient number, since it is larger than the sum of its proper divisors (104128585698987).

202023002011221 is a wasteful number, since it uses less digits than its factorization.

202023002011221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5934 (or 5919 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 202023002011221 its reverse (122110200320202), we get a palindrome (324133202331423).

The spelling of 202023002011221 in words is "two hundred two trillion, twenty-three billion, two million, eleven thousand, two hundred twenty-one".