2130122002 has 4 divisors (see below), whose sum is σ = 3195183006. Its totient is φ = 1065061000.

The previous prime is 2130121999. The next prime is 2130122009. The reversal of 2130122002 is 2002210312.

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., 1939433521 + 190688481 = 44039^2 + 13809^2 .

It is not an unprimeable number, because it can be changed into a prime (2130122009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 532530499 + ... + 532530502.

Almost surely, 2^2130122002 is an apocalyptic number.

2130122002 is a deficient number, since it is larger than the sum of its proper divisors (1065061004).

2130122002 is a wasteful number, since it uses less digits than its factorization.

2130122002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065061003.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2130122002 is about 46153.2447613383. The cubic root of 2130122002 is about 1286.6729162746.

Adding to 2130122002 its reverse (2002210312), we get a palindrome (4132332314).

The spelling of 2130122002 in words is "two billion, one hundred thirty million, one hundred twenty-two thousand, two".