2132210302021 has 16 divisors (see below), whose sum is σ = 2320587453744. Its totient is φ = 1951498092544.

The previous prime is 2132210302009. The next prime is 2132210302031. The reversal of 2132210302021 is 1202030122312.

It can be written as a sum of positive squares in 8 ways, for example, as 27476709121 + 2104733592900 = 165761^2 + 1450770^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2132210302021 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2132210302021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2132210302031) 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, 10369396 + ... + 10573021.

It is an arithmetic number, because the mean of its divisors is an integer number (145036715859).

Almost surely, 2^{2132210302021} is an apocalyptic number.

It is an amenable number.

2132210302021 is a deficient number, since it is larger than the sum of its proper divisors (188377151723).

2132210302021 is a wasteful number, since it uses less digits than its factorization.

2132210302021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20942600.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 2132210302021 its reverse (1202030122312), we get a palindrome (3334240424333).

The spelling of 2132210302021 in words is "two trillion, one hundred thirty-two billion, two hundred ten million, three hundred two thousand, twenty-one".