100220121111000 has 128 divisors (see below), whose sum is σ = 341112848693760. Its totient is φ = 24295786928000.

The previous prime is 100220121110909. The next prime is 100220121111001. The reversal of 100220121111000 is 111121022001.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100220121111001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1518453684 + ... + 1518519683.

It is an arithmetic number, because the mean of its divisors is an integer number (2664944130420).

Almost surely, 2^{100220121111000} is an apocalyptic number.

100220121111000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100220121111000 is an abundant number, since it is smaller than the sum of its proper divisors (240892727582760).

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

100220121111000 is a wasteful number, since it uses less digits than its factorization.

100220121111000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3036973402 (or 3036973388 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 100220121111000 its reverse (111121022001), we get a palindrome (100331242133001).

The spelling of 100220121111000 in words is "one hundred trillion, two hundred twenty billion, one hundred twenty-one million, one hundred eleven thousand".