2112213401 has 2 divisors, whose sum is σ = 2112213402. Its totient is φ = 2112213400.

The previous prime is 2112213379. The next prime is 2112213431. The reversal of 2112213401 is 1043122112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1672891801 + 439321600 = 40901^2 + 20960^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2112213401 is a prime.

It is a super-2 number, since 2×2112213401² = 8922890902727973602, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2112213401.

It is not a weakly prime, because it can be changed into another prime (2112213431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056106700 + 1056106701.

It is an arithmetic number, because the mean of its divisors is an integer number (1056106701).

Almost surely, 2^2112213401 is an apocalyptic number.

It is an amenable number.

2112213401 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112213401 is an equidigital number, since it uses as much as digits as its factorization.

2112213401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 2112213401 is about 45958.8228852742. The cubic root of 2112213401 is about 1283.0569433607.

Adding to 2112213401 its reverse (1043122112), we get a palindrome (3155335513).

The spelling of 2112213401 in words is "two billion, one hundred twelve million, two hundred thirteen thousand, four hundred one".