10102120010 has 8 divisors (see below), whose sum is σ = 18183816036. Its totient is φ = 4040848000.

The previous prime is 10102120003. The next prime is 10102120019. The reversal of 10102120010 is 1002120101.

It can be written as a sum of positive squares in 2 ways, for example, as 9853143169 + 248976841 = 99263^2 + 15779^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 10102120010.

It is not an unprimeable number, because it can be changed into a prime (10102120019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505105991 + ... + 505106010.

Almost surely, 2^10102120010 is an apocalyptic number.

10102120010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10102120010 is a deficient number, since it is larger than the sum of its proper divisors (8081696026).

10102120010 is a wasteful number, since it uses less digits than its factorization.

10102120010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010212008.

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

Adding to 10102120010 its reverse (1002120101), we get a palindrome (11104240111).

Subtracting from 10102120010 its reverse (1002120101), we obtain a palindrome (9099999909).

The spelling of 10102120010 in words is "ten billion, one hundred two million, one hundred twenty thousand, ten".