2210211901 has 2 divisors, whose sum is σ = 2210211902. Its totient is φ = 2210211900.

The previous prime is 2210211893. The next prime is 2210211907. The reversal of 2210211901 is 1091120122.

It is a happy number.

2210211901 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., 2168299225 + 41912676 = 46565^2 + 6474^2 .

It is a cyclic number.

It is not a de Polignac number, because 2210211901 - 2³ = 2210211893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2210211907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105105950 + 1105105951.

It is an arithmetic number, because the mean of its divisors is an integer number (1105105951).

Almost surely, 2^2210211901 is an apocalyptic number.

It is an amenable number.

2210211901 is a deficient number, since it is larger than the sum of its proper divisors (1).

2210211901 is an equidigital number, since it uses as much as digits as its factorization.

2210211901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 19.

The square root of 2210211901 is about 47012.8907960359. The cubic root of 2210211901 is about 1302.6006913977.

The spelling of 2210211901 in words is "two billion, two hundred ten million, two hundred eleven thousand, nine hundred one".