220112002020100 has 36 divisors (see below), whose sum is σ = 477643854225664. Its totient is φ = 88044651528480.

The previous prime is 220112002020037. The next prime is 220112002020103. The reversal of 220112002020100 is 1020200211022.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (220112002020103) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 71927437 + ... + 74925163.

Almost surely, 2^{220112002020100} is an apocalyptic number.

220112002020100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220112002020100 is an abundant number, since it is smaller than the sum of its proper divisors (257531852205564).

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

220112002020100 is a wasteful number, since it uses less digits than its factorization.

220112002020100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3732004 (or 3731997 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 220112002020100 its reverse (1020200211022), we get a palindrome (221132202231122).

The spelling of 220112002020100 in words is "two hundred twenty trillion, one hundred twelve billion, two million, twenty thousand, one hundred".