120100020112220 has 96 divisors (see below), whose sum is σ = 260751475944960. Its totient is φ = 46436834062080.

The previous prime is 120100020112211. The next prime is 120100020112273. The reversal of 120100020112220 is 22211020001021.

It is a junction number, because it is equal to n+sod(n) for n = 120100020112195 and 120100020112204.

It is a congruent number.

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, 135173186 + ... + 136058774.

It is an arithmetic number, because the mean of its divisors is an integer number (2716161207760).

Almost surely, 2^{120100020112220} is an apocalyptic number.

120100020112220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120100020112220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130375737972480).

120100020112220 is an abundant number, since it is smaller than the sum of its proper divisors (140651455832740).

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

120100020112220 is a wasteful number, since it uses less digits than its factorization.

120100020112220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887275 (or 887273 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 120100020112220 its reverse (22211020001021), we get a palindrome (142311040113241).

The spelling of 120100020112220 in words is "one hundred twenty trillion, one hundred billion, twenty million, one hundred twelve thousand, two hundred twenty".