2202152165021 has 16 divisors (see below), whose sum is σ = 2275448947200. Its totient is φ = 2129862999600.

The previous prime is 2202152165011. The next prime is 2202152165023. The reversal of 2202152165021 is 1205612512022.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2202152165021 - 2⁶ = 2202152164957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2202152165023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84363830 + ... + 84389928.

It is an arithmetic number, because the mean of its divisors is an integer number (142215559200).

Almost surely, 2^{2202152165021} is an apocalyptic number.

It is an amenable number.

2202152165021 is a deficient number, since it is larger than the sum of its proper divisors (73296782179).

2202152165021 is a wasteful number, since it uses less digits than its factorization.

2202152165021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45296.

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 2202152165021 its reverse (1205612512022), we get a palindrome (3407764677043).

The spelling of 2202152165021 in words is "two trillion, two hundred two billion, one hundred fifty-two million, one hundred sixty-five thousand, twenty-one".