201102021293 has 2 divisors, whose sum is σ = 201102021294. Its totient is φ = 201102021292.

The previous prime is 201102021259. The next prime is 201102021319. The reversal of 201102021293 is 392120201102.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 164911524649 + 36190496644 = 406093^2 + 190238^2 .

It is a cyclic number.

It is not a de Polignac number, because 201102021293 - 2⁶ = 201102021229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201102021193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100551010646 + 100551010647.

It is an arithmetic number, because the mean of its divisors is an integer number (100551010647).

Almost surely, 2^201102021293 is an apocalyptic number.

It is an amenable number.

201102021293 is a deficient number, since it is larger than the sum of its proper divisors (1).

201102021293 is an equidigital number, since it uses as much as digits as its factorization.

201102021293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 201102021293 its reverse (392120201102), we get a palindrome (593222222395).

The spelling of 201102021293 in words is "two hundred one billion, one hundred two million, twenty-one thousand, two hundred ninety-three".