2213015261161 has 2 divisors, whose sum is σ = 2213015261162. Its totient is φ = 2213015261160.

The previous prime is 2213015261099. The next prime is 2213015261207. The reversal of 2213015261161 is 1611625103122.

2213015261161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2171732742400 + 41282518761 = 1473680^2 + 203181^2 .

It is a cyclic number.

It is not a de Polignac number, because 2213015261161 - 2⁷ = 2213015261033 is a prime.

It is a super-2 number, since 2×2213015261161² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2213015261461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106507630580 + 1106507630581.

It is an arithmetic number, because the mean of its divisors is an integer number (1106507630581).

Almost surely, 2^{2213015261161} is an apocalyptic number.

It is an amenable number.

2213015261161 is a deficient number, since it is larger than the sum of its proper divisors (1).

2213015261161 is an equidigital number, since it uses as much as digits as its factorization.

2213015261161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 31.

The spelling of 2213015261161 in words is "two trillion, two hundred thirteen billion, fifteen million, two hundred sixty-one thousand, one hundred sixty-one".