2211220222112 has 24 divisors (see below), whose sum is σ = 4749097977792. Its totient is φ = 1005100100800.

The previous prime is 2211220222063. The next prime is 2211220222117. The reversal of 2211220222112 is 2112220221122.

It is a super-2 number, since 2×2211220222112² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2211220222117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3140937464 + ... + 3140938167.

It is an arithmetic number, because the mean of its divisors is an integer number (197879082408).

Almost surely, 2^{2211220222112} is an apocalyptic number.

2211220222112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2211220222112 is an abundant number, since it is smaller than the sum of its proper divisors (2537877755680).

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

2211220222112 is a wasteful number, since it uses less digits than its factorization.

2211220222112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6281875652 (or 6281875644 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 2211220222112 its reverse (2112220221122), we get a palindrome (4323440443234).

The spelling of 2211220222112 in words is "two trillion, two hundred eleven billion, two hundred twenty million, two hundred twenty-two thousand, one hundred twelve".