121033232031 has 4 divisors (see below), whose sum is σ = 161377642712. Its totient is φ = 80688821352.

The previous prime is 121033232027. The next prime is 121033232059. The reversal of 121033232031 is 130232330121.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 121033232031 - 2² = 121033232027 is a prime.

It is a super-2 number, since 2×121033232031² (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 = 121033231989 and 121033232007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121033232081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20172205336 + ... + 20172205341.

It is an arithmetic number, because the mean of its divisors is an integer number (40344410678).

Almost surely, 2^121033232031 is an apocalyptic number.

121033232031 is a deficient number, since it is larger than the sum of its proper divisors (40344410681).

121033232031 is an equidigital number, since it uses as much as digits as its factorization.

121033232031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40344410680.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 121033232031 its reverse (130232330121), we get a palindrome (251265562152).

It can be divided in two parts, 12103 and 3232031, that multiplied together give a palindrome (39117271193).

The spelling of 121033232031 in words is "one hundred twenty-one billion, thirty-three million, two hundred thirty-two thousand, thirty-one".