101232130091 has 2 divisors, whose sum is σ = 101232130092. Its totient is φ = 101232130090.

The previous prime is 101232130067. The next prime is 101232130127. The reversal of 101232130091 is 190031232101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101232130091 - 2³⁴ = 84052260907 is a prime.

It is a super-2 number, since 2×101232130091² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (101232130691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50616065045 + 50616065046.

It is an arithmetic number, because the mean of its divisors is an integer number (50616065046).

Almost surely, 2^101232130091 is an apocalyptic number.

101232130091 is a deficient number, since it is larger than the sum of its proper divisors (1).

101232130091 is an equidigital number, since it uses as much as digits as its factorization.

101232130091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 23.

Adding to 101232130091 its reverse (190031232101), we get a palindrome (291263362192).

The spelling of 101232130091 in words is "one hundred one billion, two hundred thirty-two million, one hundred thirty thousand, ninety-one".