100122121113220 has 48 divisors (see below), whose sum is σ = 210713528870208. Its totient is φ = 39961850705280.

The previous prime is 100122121113199. The next prime is 100122121113239. The reversal of 100122121113220 is 22311121221001.

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, 23016934 + ... + 27018946.

It is an arithmetic number, because the mean of its divisors is an integer number (4389865184796).

Almost surely, 2^{100122121113220} is an apocalyptic number.

100122121113220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100122121113220 is an abundant number, since it is smaller than the sum of its proper divisors (110591407756988).

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

100122121113220 is a wasteful number, since it uses less digits than its factorization.

100122121113220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4004740 (or 4004738 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 100122121113220 its reverse (22311121221001), we get a palindrome (122433242334221).

The spelling of 100122121113220 in words is "one hundred trillion, one hundred twenty-two billion, one hundred twenty-one million, one hundred thirteen thousand, two hundred twenty".