202440222213021 has 12 divisors (see below), whose sum is σ = 314907012331548. Its totient is φ = 124578598284864.

The previous prime is 202440222212951. The next prime is 202440222213133. The reversal of 202440222213021 is 120312222044202.

202440222213021 is a `hidden beast` number, since 2 + 0 + 2 + 4 + 402 + 2 + 221 + 30 + 2 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 67796944532100 + 134643277680921 = 8233890^2 + 11603589^2 .

It is not a de Polignac number, because 202440222213021 - 2¹⁵ = 202440222180253 is a prime.

It is a super-2 number, since 2×202440222213021² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202440222213821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 865129154640 + ... + 865129154873.

It is an arithmetic number, because the mean of its divisors is an integer number (26242251027629).

Almost surely, 2^{202440222213021} is an apocalyptic number.

It is an amenable number.

202440222213021 is a deficient number, since it is larger than the sum of its proper divisors (112466790118527).

202440222213021 is a wasteful number, since it uses less digits than its factorization.

202440222213021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1730258309532 (or 1730258309529 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 202440222213021 its reverse (120312222044202), we get a palindrome (322752444257223).

The spelling of 202440222213021 in words is "two hundred two trillion, four hundred forty billion, two hundred twenty-two million, two hundred thirteen thousand, twenty-one".