100121010010 has 32 divisors (see below), whose sum is σ = 206026888320. Its totient is φ = 34316592192.

The previous prime is 100121009987. The next prime is 100121010019. The reversal of 100121010010 is 10010121001.

100121010010 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a junction number, because it is equal to n+sod(n) for n = 100121009975 and 100121010002.

It is not an unprimeable number, because it can be changed into a prime (100121010019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8692 + ... + 447568.

It is an arithmetic number, because the mean of its divisors is an integer number (6438340260).

Almost surely, 2^100121010010 is an apocalyptic number.

100121010010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100121010010 is an abundant number, since it is smaller than the sum of its proper divisors (105905878310).

100121010010 is a wasteful number, since it uses less digits than its factorization.

100121010010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442150.

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 100121010010 its reverse (10010121001), we get a palindrome (110131131011).

The spelling of 100121010010 in words is "one hundred billion, one hundred twenty-one million, ten thousand, ten".