101112120220 has 48 divisors (see below), whose sum is σ = 222805416960. Its totient is φ = 38470220096.

The previous prime is 101112120181. The next prime is 101112120227. The reversal of 101112120220 is 22021211101.

It is a self number, because there is not a number n which added to its sum of digits gives 101112120220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101112120227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 531652 + ... + 696331.

It is an arithmetic number, because the mean of its divisors is an integer number (4641779520).

Almost surely, 2^101112120220 is an apocalyptic number.

101112120220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101112120220 is an abundant number, since it is smaller than the sum of its proper divisors (121693296740).

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

101112120220 is a wasteful number, since it uses less digits than its factorization.

101112120220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228194 (or 1228192 counting only the distinct ones).

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

Adding to 101112120220 its reverse (22021211101), we get a palindrome (123133331321).

The spelling of 101112120220 in words is "one hundred one billion, one hundred twelve million, one hundred twenty thousand, two hundred twenty".