220110101220 has 24 divisors (see below), whose sum is σ = 616308283584. Its totient is φ = 58696026976.

The previous prime is 220110101207. The next prime is 220110101261. The reversal of 220110101220 is 22101011022.

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 = 220110101196 and 220110101205.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1834250784 + ... + 1834250903.

It is an arithmetic number, because the mean of its divisors is an integer number (25679511816).

Almost surely, 2^220110101220 is an apocalyptic number.

220110101220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220110101220 is an abundant number, since it is smaller than the sum of its proper divisors (396198182364).

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

220110101220 is a wasteful number, since it uses less digits than its factorization.

220110101220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3668501699 (or 3668501697 counting only the distinct ones).

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

Adding to 220110101220 its reverse (22101011022), we get a palindrome (242211112242).

The spelling of 220110101220 in words is "two hundred twenty billion, one hundred ten million, one hundred one thousand, two hundred twenty".