10121112010 has 64 divisors (see below), whose sum is σ = 19699928352. Its totient is φ = 3730046976.

The previous prime is 10121111927. The next prime is 10121112041. The reversal of 10121112010 is 1021112101.

It can be written as a sum of positive squares in 16 ways, for example, as 401321089 + 9719790921 = 20033^2 + 98589^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1697194 + ... + 1703146.

Almost surely, 2^10121112010 is an apocalyptic number.

10121112010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10121112010 is a deficient number, since it is larger than the sum of its proper divisors (9578816342).

10121112010 is a wasteful number, since it uses less digits than its factorization.

10121112010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6187.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 10121112010 its reverse (1021112101), we get a palindrome (11142224111).

Subtracting from 10121112010 its reverse (1021112101), we obtain a palindrome (9099999909).

The spelling of 10121112010 in words is "ten billion, one hundred twenty-one million, one hundred twelve thousand, ten".