2102211021322 has 8 divisors (see below), whose sum is σ = 3262051584900. Its totient is φ = 1014860493024.

The previous prime is 2102211021319. The next prime is 2102211021389. The reversal of 2102211021322 is 2231201122012.

It can be written as a sum of positive squares in 2 ways, for example, as 1841364866961 + 260846154361 = 1356969^2 + 510731^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2102211021322.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18122508747 + ... + 18122508862.

Almost surely, 2^{2102211021322} is an apocalyptic number.

2102211021322 is a deficient number, since it is larger than the sum of its proper divisors (1159840563578).

2102211021322 is a wasteful number, since it uses less digits than its factorization.

2102211021322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36245017640.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 2102211021322 its reverse (2231201122012), we get a palindrome (4333412143334).

The spelling of 2102211021322 in words is "two trillion, one hundred two billion, two hundred eleven million, twenty-one thousand, three hundred twenty-two".