2201021220112 has 80 divisors (see below), whose sum is σ = 5030980496640. Its totient is φ = 919641139200.

The previous prime is 2201021220107. The next prime is 2201021220149. The reversal of 2201021220112 is 2110221201022.

It is a happy number.

It is a super-2 number, since 2×2201021220112² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 1465689 + ... + 2559352.

It is an arithmetic number, because the mean of its divisors is an integer number (62887256208).

Almost surely, 2^{2201021220112} is an apocalyptic number.

2201021220112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2201021220112 is an abundant number, since it is smaller than the sum of its proper divisors (2829959276528).

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

2201021220112 is a wasteful number, since it uses less digits than its factorization.

2201021220112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4025312 (or 4025306 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2201021220112 its reverse (2110221201022), we get a palindrome (4311242421134).

The spelling of 2201021220112 in words is "two trillion, two hundred one billion, twenty-one million, two hundred twenty thousand, one hundred twelve".