121023303231233 has 16 divisors (see below), whose sum is σ = 132371755031376. Its totient is φ = 109972007009280.

The previous prime is 121023303231211. The next prime is 121023303231283. The reversal of 121023303231233 is 332132303320121.

It can be written as a sum of positive squares in 8 ways, for example, as 26346374968384 + 94676928262849 = 5132872^2 + 9730207^2 .

It is not a de Polignac number, because 121023303231233 - 2⁴² = 116625256720129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121023303231196 and 121023303231205.

It is not an unprimeable number, because it can be changed into a prime (121023303231283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121892510 + ... + 122881367.

It is an arithmetic number, because the mean of its divisors is an integer number (8273234689461).

Almost surely, 2^{121023303231233} is an apocalyptic number.

121023303231233 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

121023303231233 is a deficient number, since it is larger than the sum of its proper divisors (11348451800143).

121023303231233 is a wasteful number, since it uses less digits than its factorization.

121023303231233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244774484.

The product of its (nonzero) digits is 11664, while the sum is 29.

Adding to 121023303231233 its reverse (332132303320121), we get a palindrome (453155606551354).

The spelling of 121023303231233 in words is "one hundred twenty-one trillion, twenty-three billion, three hundred three million, two hundred thirty-one thousand, two hundred thirty-three".