100220021120220 has 24 divisors (see below), whose sum is σ = 280616059136784. Its totient is φ = 26725338965376.

The previous prime is 100220021120203. The next prime is 100220021120227. The reversal of 100220021120220 is 22021120022001.

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 100220021120220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100220021120227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 835166842609 + ... + 835166842728.

It is an arithmetic number, because the mean of its divisors is an integer number (11692335797366).

Almost surely, 2^{100220021120220} is an apocalyptic number.

100220021120220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100220021120220 is an abundant number, since it is smaller than the sum of its proper divisors (180396038016564).

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

100220021120220 is a wasteful number, since it uses less digits than its factorization.

100220021120220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1670333685349 (or 1670333685347 counting only the distinct ones).

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

Adding to 100220021120220 its reverse (22021120022001), we get a palindrome (122241141142221).

The spelling of 100220021120220 in words is "one hundred trillion, two hundred twenty billion, twenty-one million, one hundred twenty thousand, two hundred twenty".