10121010002 has 4 divisors (see below), whose sum is σ = 15181515006. Its totient is φ = 5060505000.

The previous prime is 10121009923. The next prime is 10121010013. The reversal of 10121010002 is 20001012101.

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., 10088394481 + 32615521 = 100441^2 + 5711^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2530252499 + ... + 2530252502.

Almost surely, 2^10121010002 is an apocalyptic number.

10121010002 is a deficient number, since it is larger than the sum of its proper divisors (5060505004).

10121010002 is an equidigital number, since it uses as much as digits as its factorization.

10121010002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5060505003.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 10121010002 its reverse (20001012101), we get a palindrome (30122022103).

The spelling of 10121010002 in words is "ten billion, one hundred twenty-one million, ten thousand, two".