2112101222 has 48 divisors (see below), whose sum is σ = 4000661280. Its totient is φ = 818590080.

The previous prime is 2112101221. The next prime is 2112101227. The reversal of 2112101222 is 2221012112.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 2112101197 and 2112101206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112101221) 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, 330554 + ... + 336882.

It is an arithmetic number, because the mean of its divisors is an integer number (83347110).

Almost surely, 2^2112101222 is an apocalyptic number.

2112101222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2112101222 is a deficient number, since it is larger than the sum of its proper divisors (1888560058).

2112101222 is a wasteful number, since it uses less digits than its factorization.

2112101222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6557 (or 6546 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 2112101222 is about 45957.6024396400. The cubic root of 2112101222 is about 1283.0342287062.

Adding to 2112101222 its reverse (2221012112), we get a palindrome (4333113334).

The spelling of 2112101222 in words is "two billion, one hundred twelve million, one hundred one thousand, two hundred twenty-two".