121100322031 has 32 divisors (see below), whose sum is σ = 139965751296. Its totient is φ = 103964256000.

The previous prime is 121100321999. The next prime is 121100322107. The reversal of 121100322031 is 130223001121.

It is a cyclic number.

It is not a de Polignac number, because 121100322031 - 2⁵ = 121100321999 is a prime.

It is a super-2 number, since 2×121100322031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121100321996 and 121100322014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121100322731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1052346 + ... + 1161736.

It is an arithmetic number, because the mean of its divisors is an integer number (4373929728).

Almost surely, 2^121100322031 is an apocalyptic number.

121100322031 is a deficient number, since it is larger than the sum of its proper divisors (18865429265).

121100322031 is a wasteful number, since it uses less digits than its factorization.

121100322031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109543.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 121100322031 its reverse (130223001121), we get a palindrome (251323323152).

The spelling of 121100322031 in words is "one hundred twenty-one billion, one hundred million, three hundred twenty-two thousand, thirty-one".