100112220211220 has 48 divisors (see below), whose sum is σ = 240270044273280. Its totient is φ = 34324087534464.

The previous prime is 100112220211183. The next prime is 100112220211243. The reversal of 100112220211220 is 22112022211001.

It is a super-2 number, since 2×100112220211220² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57594887 + ... + 59307633.

It is an arithmetic number, because the mean of its divisors is an integer number (5005625922360).

Almost surely, 2^{100112220211220} is an apocalyptic number.

100112220211220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100112220211220 is an abundant number, since it is smaller than the sum of its proper divisors (140157824062060).

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

100112220211220 is a wasteful number, since it uses less digits than its factorization.

100112220211220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2130272 (or 2130270 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 100112220211220 its reverse (22112022211001), we get a palindrome (122224242422221).

The spelling of 100112220211220 in words is "one hundred trillion, one hundred twelve billion, two hundred twenty million, two hundred eleven thousand, two hundred twenty".