100910101010 has 32 divisors (see below), whose sum is σ = 185235085872. Its totient is φ = 39566126080.

The previous prime is 100910100989. The next prime is 100910101013. The reversal of 100910101010 is 10101019001.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 24114052369 + 76796048641 = 155287^2 + 277121^2 .

100910101010 is a modest number, since divided by 101010 gives 100910 as remainder.

It is not an unprimeable number, because it can be changed into a prime (100910101013) 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, 494630 + ... + 668190.

Almost surely, 2^100910101010 is an apocalyptic number.

100910101010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100910101010 is a deficient number, since it is larger than the sum of its proper divisors (84324984862).

100910101010 is a wasteful number, since it uses less digits than its factorization.

100910101010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174718.

The product of its (nonzero) digits is 9, while the sum is 14.

The spelling of 100910101010 in words is "one hundred billion, nine hundred ten million, one hundred one thousand, ten".