2213033229961 has 2 divisors, whose sum is σ = 2213033229962. Its totient is φ = 2213033229960.

The previous prime is 2213033229959. The next prime is 2213033230043. The reversal of 2213033229961 is 1699223303122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1756868069961 + 456165160000 = 1325469^2 + 675400^2 .

It is a cyclic number.

It is not a de Polignac number, because 2213033229961 - 2¹ = 2213033229959 is a prime.

Together with 2213033229959, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2213033229361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106516614980 + 1106516614981.

It is an arithmetic number, because the mean of its divisors is an integer number (1106516614981).

Almost surely, 2^{2213033229961} is an apocalyptic number.

It is an amenable number.

2213033229961 is a deficient number, since it is larger than the sum of its proper divisors (1).

2213033229961 is an equidigital number, since it uses as much as digits as its factorization.

2213033229961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 209952, while the sum is 43.

The spelling of 2213033229961 in words is "two trillion, two hundred thirteen billion, thirty-three million, two hundred twenty-nine thousand, nine hundred sixty-one".