100010022221220 has 96 divisors (see below), whose sum is σ = 280179617856768. Its totient is φ = 26654909079552.

The previous prime is 100010022221189. The next prime is 100010022221243. The reversal of 100010022221220 is 22122220010001.

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

It is a self number, because there is not a number n which added to its sum of digits gives 100010022221220.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 934121932 + ... + 934228988.

It is an arithmetic number, because the mean of its divisors is an integer number (2918537686008).

Almost surely, 2^{100010022221220} is an apocalyptic number.

100010022221220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100010022221220 is an abundant number, since it is smaller than the sum of its proper divisors (180169595635548).

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

100010022221220 is a wasteful number, since it uses less digits than its factorization.

100010022221220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115349 (or 115347 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 100010022221220 its reverse (22122220010001), we get a palindrome (122132242231221).

The spelling of 100010022221220 in words is "one hundred trillion, ten billion, twenty-two million, two hundred twenty-one thousand, two hundred twenty".