100122121230 has 32 divisors (see below), whose sum is σ = 240312623904. Its totient is φ = 26697062016.

The previous prime is 100122121199. The next prime is 100122121241. The reversal of 100122121230 is 32121221001.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 258324 + ... + 516696.

It is an arithmetic number, because the mean of its divisors is an integer number (7509769497).

Almost surely, 2^100122121230 is an apocalyptic number.

100122121230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100122121230 is an abundant number, since it is smaller than the sum of its proper divisors (140190502674).

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

100122121230 is a wasteful number, since it uses less digits than its factorization.

100122121230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271300.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 100122121230 its reverse (32121221001), we get a palindrome (132243342231).

The spelling of 100122121230 in words is "one hundred billion, one hundred twenty-two million, one hundred twenty-one thousand, two hundred thirty".