121313223231101 has 32 divisors (see below), whose sum is σ = 133389659952000. Its totient is φ = 109413279118080.

The previous prime is 121313223231049. The next prime is 121313223231251. The reversal of 121313223231101 is 101132322313121.

It is a cyclic number.

It is not a de Polignac number, because 121313223231101 - 2²² = 121313219036797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121313223234101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9438507791 + ... + 9438520643.

It is an arithmetic number, because the mean of its divisors is an integer number (4168426873500).

Almost surely, 2^{121313223231101} is an apocalyptic number.

121313223231101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121313223231101 is a deficient number, since it is larger than the sum of its proper divisors (12076436720899).

121313223231101 is a wasteful number, since it uses less digits than its factorization.

121313223231101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19469.

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 121313223231101 its reverse (101132322313121), we get a palindrome (222445545544222).

The spelling of 121313223231101 in words is "one hundred twenty-one trillion, three hundred thirteen billion, two hundred twenty-three million, two hundred thirty-one thousand, one hundred one".