2220221102112 has 144 divisors (see below), whose sum is σ = 7018763851008. Its totient is φ = 661107985920.

The previous prime is 2220221102107. The next prime is 2220221102119. The reversal of 2220221102112 is 2112011220222.

It is a happy number.

2220221102112 is a `hidden beast` number, since 2 + 220 + 221 + 10 + 211 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

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

It is not an unprimeable number, because it can be changed into a prime (2220221102119) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9448578 + ... + 9680705.

It is an arithmetic number, because the mean of its divisors is an integer number (48741415632).

Almost surely, 2^{2220221102112} is an apocalyptic number.

It is an amenable number.

2220221102112 is an abundant number, since it is smaller than the sum of its proper divisors (4798542748896).

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

2220221102112 is a wasteful number, since it uses less digits than its factorization.

2220221102112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19129343 (or 19129332 counting only the distinct ones).

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

Adding to 2220221102112 its reverse (2112011220222), we get a palindrome (4332232322334).

The spelling of 2220221102112 in words is "two trillion, two hundred twenty billion, two hundred twenty-one million, one hundred two thousand, one hundred twelve".