10112222120220 has 72 divisors (see below), whose sum is σ = 33462262295280. Its totient is φ = 2451447786240.

The previous prime is 10112222120213. The next prime is 10112222120261. The reversal of 10112222120220 is 2202122221101.

It is a happy number.

10112222120220 is a `hidden beast` number, since 1 + 0 + 11 + 222 + 212 + 0 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 10112222120193 and 10112222120202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2553589465 + ... + 2553593424.

It is an arithmetic number, because the mean of its divisors is an integer number (464753642990).

Almost surely, 2^{10112222120220} is an apocalyptic number.

10112222120220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10112222120220 is an abundant number, since it is smaller than the sum of its proper divisors (23350040175060).

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

10112222120220 is a wasteful number, since it uses less digits than its factorization.

10112222120220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5107182915 (or 5107182910 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 10112222120220 its reverse (2202122221101), we get a palindrome (12314344341321).

The spelling of 10112222120220 in words is "ten trillion, one hundred twelve billion, two hundred twenty-two million, one hundred twenty thousand, two hundred twenty".