121100031323 has 4 divisors (see below), whose sum is σ = 121352850240. Its totient is φ = 120847212408.

The previous prime is 121100031281. The next prime is 121100031337. The reversal of 121100031323 is 323130001121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 323130001121 = 32077 ⋅10073573.

It is a cyclic number.

It is not a de Polignac number, because 121100031323 - 2¹² = 121100027227 is a prime.

It is a super-2 number, since 2×121100031323² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121100031343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126408740 + ... + 126409697.

It is an arithmetic number, because the mean of its divisors is an integer number (30338212560).

Almost surely, 2^121100031323 is an apocalyptic number.

121100031323 is a deficient number, since it is larger than the sum of its proper divisors (252818917).

121100031323 is an equidigital number, since it uses as much as digits as its factorization.

121100031323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252818916.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 121100031323 its reverse (323130001121), we get a palindrome (444230032444).

The spelling of 121100031323 in words is "one hundred twenty-one billion, one hundred million, thirty-one thousand, three hundred twenty-three".