2152310122 has 4 divisors (see below), whose sum is σ = 3228465186. Its totient is φ = 1076155060.

The previous prime is 2152310053. The next prime is 2152310137. The reversal of 2152310122 is 2210132512.

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

It can be written as a sum of positive squares in only one way, i.e., 1368926001 + 783384121 = 36999^2 + 27989^2 .

It is a super-2 number, since 2×2152310122² = 9264877722527309768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2152310122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 538077529 + ... + 538077532.

Almost surely, 2^2152310122 is an apocalyptic number.

2152310122 is a deficient number, since it is larger than the sum of its proper divisors (1076155064).

2152310122 is a wasteful number, since it uses less digits than its factorization.

2152310122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076155063.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 2152310122 is about 46392.9964757613. The cubic root of 2152310122 is about 1291.1249770261.

Adding to 2152310122 its reverse (2210132512), we get a palindrome (4362442634).

The spelling of 2152310122 in words is "two billion, one hundred fifty-two million, three hundred ten thousand, one hundred twenty-two".