112220101020 has 48 divisors (see below), whose sum is σ = 315705495168. Its totient is φ = 29783530560.

The previous prime is 112220101001. The next prime is 112220101039. The reversal of 112220101020 is 20101022211.

It is an interprime number because it is at equal distance from previous prime (112220101001) and next prime (112220101039).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 112220100987 and 112220101005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4419414 + ... + 4444733.

It is an arithmetic number, because the mean of its divisors is an integer number (6577197816).

Almost surely, 2^112220101020 is an apocalyptic number.

112220101020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112220101020 is an abundant number, since it is smaller than the sum of its proper divisors (203485394148).

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

112220101020 is a wasteful number, since it uses less digits than its factorization.

112220101020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8864370 (or 8864368 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 112220101020 its reverse (20101022211), we get a palindrome (132321123231).

The spelling of 112220101020 in words is "one hundred twelve billion, two hundred twenty million, one hundred one thousand, twenty".