2102661322 has 4 divisors (see below), whose sum is σ = 3153991986. Its totient is φ = 1051330660.

The previous prime is 2102661313. The next prime is 2102661331. The reversal of 2102661322 is 2231662012.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2102661313) and next prime (2102661331).

It can be written as a sum of positive squares in only one way, i.e., 1690936641 + 411724681 = 41121^2 + 20291^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525665329 + ... + 525665332.

Almost surely, 2^2102661322 is an apocalyptic number.

2102661322 is a deficient number, since it is larger than the sum of its proper divisors (1051330664).

2102661322 is a wasteful number, since it uses less digits than its factorization.

2102661322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051330663.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 2102661322 is about 45854.7851592394. The cubic root of 2102661322 is about 1281.1198943295.

The spelling of 2102661322 in words is "two billion, one hundred two million, six hundred sixty-one thousand, three hundred twenty-two".