90201253227101 has 2 divisors, whose sum is σ = 90201253227102. Its totient is φ = 90201253227100.

The previous prime is 90201253227073. The next prime is 90201253227131. The reversal of 90201253227101 is 10172235210209.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59534356654201 + 30666896572900 = 7715851^2 + 5537770^2 .

It is a cyclic number.

It is not a de Polignac number, because 90201253227101 - 2⁶ = 90201253227037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90201253227131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45100626613550 + 45100626613551.

It is an arithmetic number, because the mean of its divisors is an integer number (45100626613551).

Almost surely, 2^{90201253227101} is an apocalyptic number.

It is an amenable number.

90201253227101 is a deficient number, since it is larger than the sum of its proper divisors (1).

90201253227101 is an equidigital number, since it uses as much as digits as its factorization.

90201253227101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 35.

The spelling of 90201253227101 in words is "ninety trillion, two hundred one billion, two hundred fifty-three million, two hundred twenty-seven thousand, one hundred one".