100220120110120 has 16 divisors (see below), whose sum is σ = 225495270247860. Its totient is φ = 40088048044032.

The previous prime is 100220120110109. The next prime is 100220120110127. The reversal of 100220120110120 is 21011021022001.

It can be written as a sum of positive squares in 2 ways, for example, as 97956666057636 + 2263454052484 = 9897306^2 + 1504478^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 100220120110120.

It is not an unprimeable number, because it can be changed into a prime (100220120110127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1252751501337 + ... + 1252751501416.

Almost surely, 2^{100220120110120} is an apocalyptic number.

100220120110120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100220120110120 is an abundant number, since it is smaller than the sum of its proper divisors (125275150137740).

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

100220120110120 is a wasteful number, since it uses less digits than its factorization.

100220120110120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2505503002764 (or 2505503002760 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 100220120110120 its reverse (21011021022001), we get a palindrome (121231141132121).

The spelling of 100220120110120 in words is "one hundred trillion, two hundred twenty billion, one hundred twenty million, one hundred ten thousand, one hundred twenty".