2211221023112 has 96 divisors (see below), whose sum is σ = 4456032134400. Its totient is φ = 1028324505600.

The previous prime is 2211221023111. The next prime is 2211221023133. The reversal of 2211221023112 is 2113201221122.

It is not an unprimeable number, because it can be changed into a prime (2211221023111) 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, 48983912 + ... + 49029032.

It is an arithmetic number, because the mean of its divisors is an integer number (46417001400).

Almost surely, 2^{2211221023112} is an apocalyptic number.

It is an amenable number.

2211221023112 is an abundant number, since it is smaller than the sum of its proper divisors (2244811111288).

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

2211221023112 is a wasteful number, since it uses less digits than its factorization.

2211221023112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45475 (or 45452 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 2211221023112 its reverse (2113201221122), we get a palindrome (4324422244234).

The spelling of 2211221023112 in words is "two trillion, two hundred eleven billion, two hundred twenty-one million, twenty-three thousand, one hundred twelve".