2215245101 has 2 divisors, whose sum is σ = 2215245102. Its totient is φ = 2215245100.

The previous prime is 2215245007. The next prime is 2215245119. The reversal of 2215245101 is 1015425122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2011612201 + 203632900 = 44851^2 + 14270^2 .

It is a cyclic number.

It is not a de Polignac number, because 2215245101 - 2¹⁰ = 2215244077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2215245001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1107622550 + 1107622551.

It is an arithmetic number, because the mean of its divisors is an integer number (1107622551).

Almost surely, 2^2215245101 is an apocalyptic number.

It is an amenable number.

2215245101 is a deficient number, since it is larger than the sum of its proper divisors (1).

2215245101 is an equidigital number, since it uses as much as digits as its factorization.

2215245101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 2215245101 is about 47066.3903544769. The cubic root of 2215245101 is about 1303.5887232615.

The spelling of 2215245101 in words is "two billion, two hundred fifteen million, two hundred forty-five thousand, one hundred one".