2190365101 has 2 divisors, whose sum is σ = 2190365102. Its totient is φ = 2190365100.

The previous prime is 2190365071. The next prime is 2190365129. The reversal of 2190365101 is 1015630912.

It is an a-pointer prime, because the next prime (2190365129) can be obtained adding 2190365101 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1220104900 + 970260201 = 34930^2 + 31149^2 .

It is a cyclic number.

It is not a de Polignac number, because 2190365101 - 2⁵ = 2190365069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2190365101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2190368101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1095182550 + 1095182551.

It is an arithmetic number, because the mean of its divisors is an integer number (1095182551).

Almost surely, 2^2190365101 is an apocalyptic number.

It is an amenable number.

2190365101 is a deficient number, since it is larger than the sum of its proper divisors (1).

2190365101 is an equidigital number, since it uses as much as digits as its factorization.

2190365101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 2190365101 is about 46801.3365300608. The cubic root of 2190365101 is about 1298.6900218306.

The spelling of 2190365101 in words is "two billion, one hundred ninety million, three hundred sixty-five thousand, one hundred one".