1123030200091 has 2 divisors, whose sum is σ = 1123030200092. Its totient is φ = 1123030200090.

The previous prime is 1123030200067. The next prime is 1123030200223. The reversal of 1123030200091 is 1900020303211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1123030200091 - 2¹⁵ = 1123030167323 is a prime.

It is a super-2 number, since 2×1123030200091² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1123430200091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561515100045 + 561515100046.

It is an arithmetic number, because the mean of its divisors is an integer number (561515100046).

Almost surely, 2^{1123030200091} is an apocalyptic number.

1123030200091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123030200091 is an equidigital number, since it uses as much as digits as its factorization.

1123030200091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 22.

The spelling of 1123030200091 in words is "one trillion, one hundred twenty-three billion, thirty million, two hundred thousand, ninety-one".