10122102002 has 4 divisors (see below), whose sum is σ = 15183153006. Its totient is φ = 5061051000.

The previous prime is 10122101923. The next prime is 10122102091. The reversal of 10122102002 is 20020122101.

It is a happy number.

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., 8322730441 + 1799371561 = 91229^2 + 42419^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2530525499 + ... + 2530525502.

Almost surely, 2^10122102002 is an apocalyptic number.

10122102002 is a deficient number, since it is larger than the sum of its proper divisors (5061051004).

10122102002 is an equidigital number, since it uses as much as digits as its factorization.

10122102002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5061051003.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 10122102002 its reverse (20020122101), we get a palindrome (30142224103).

The spelling of 10122102002 in words is "ten billion, one hundred twenty-two million, one hundred two thousand, two".