100122121098 has 24 divisors (see below), whose sum is σ = 217503655200. Its totient is φ = 33285979944.

The previous prime is 100122121097. The next prime is 100122121111. The reversal of 100122121098 is 890121221001.

It is not an unprimeable number, because it can be changed into a prime (100122121091) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7331358 + ... + 7345001.

It is an arithmetic number, because the mean of its divisors is an integer number (9062652300).

Almost surely, 2^100122121098 is an apocalyptic number.

100122121098 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

100122121098 is an abundant number, since it is smaller than the sum of its proper divisors (117381534102).

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

100122121098 is a wasteful number, since it uses less digits than its factorization.

100122121098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14676746 (or 14676743 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 27.

Adding to 100122121098 its reverse (890121221001), we get a palindrome (990243342099).

The spelling of 100122121098 in words is "one hundred billion, one hundred twenty-two million, one hundred twenty-one thousand, ninety-eight".