9110190929221 has 2 divisors, whose sum is σ = 9110190929222. Its totient is φ = 9110190929220.

The previous prime is 9110190929197. The next prime is 9110190929293. The reversal of 9110190929221 is 1229290910119.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8846519976100 + 263670953121 = 2974310^2 + 513489^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9110190929221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9110190923221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4555095464610 + 4555095464611.

It is an arithmetic number, because the mean of its divisors is an integer number (4555095464611).

Almost surely, 2^{9110190929221} is an apocalyptic number.

It is an amenable number.

9110190929221 is a deficient number, since it is larger than the sum of its proper divisors (1).

9110190929221 is an equidigital number, since it uses as much as digits as its factorization.

9110190929221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52488, while the sum is 46.

The spelling of 9110190929221 in words is "nine trillion, one hundred ten billion, one hundred ninety million, nine hundred twenty-nine thousand, two hundred twenty-one".