201102641 has 2 divisors, whose sum is σ = 201102642. Its totient is φ = 201102640.

The previous prime is 201102607. The next prime is 201102653. The reversal of 201102641 is 146201102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 187115041 + 13987600 = 13679^2 + 3740^2 .

It is a cyclic number.

It is not a de Polignac number, because 201102641 - 2²² = 196908337 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (201102841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100551320 + 100551321.

It is an arithmetic number, because the mean of its divisors is an integer number (100551321).

Almost surely, 2^201102641 is an apocalyptic number.

It is an amenable number.

201102641 is a deficient number, since it is larger than the sum of its proper divisors (1).

201102641 is an equidigital number, since it uses as much as digits as its factorization.

201102641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 201102641 is about 14181.0662857205. The cubic root of 201102641 is about 585.8762925780.

Adding to 201102641 its reverse (146201102), we get a palindrome (347303743).

The spelling of 201102641 in words is "two hundred one million, one hundred two thousand, six hundred forty-one".