100012100210100 has 216 divisors, whose sum is σ = 355364632881440. Its totient is φ = 23322659754240.

The previous prime is 100012100210083. The next prime is 100012100210107. The reversal of 100012100210100 is 1012001210001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100012100210107) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 224726194 + ... + 225170793.

Almost surely, 2^{100012100210100} is an apocalyptic number.

100012100210100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100012100210100 is an abundant number, since it is smaller than the sum of its proper divisors (255352532671340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100012100210100 is a wasteful number, since it uses less digits than its factorization.

100012100210100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449897039 (or 449897029 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 100012100210100 its reverse (1012001210001), we get a palindrome (101024101420101).

Subtracting from 100012100210100 its reverse (1012001210001), we obtain a palindrome (99000099000099).

The spelling of 100012100210100 in words is "one hundred trillion, twelve billion, one hundred million, two hundred ten thousand, one hundred".