121311011220233 has 16 divisors (see below), whose sum is σ = 124937211596736. Its totient is φ = 117716822415360.

The previous prime is 121311011220227. The next prime is 121311011220241. The reversal of 121311011220233 is 332022110113121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 121311011220233 - 2¹⁴ = 121311011203849 is a prime.

It is a super-2 number, since 2×121311011220233² (a number of 29 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 = 121311011220199 and 121311011220208.

It is not an unprimeable number, because it can be changed into a prime (121311011220263) 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, 40680866 + ... + 43560932.

It is an arithmetic number, because the mean of its divisors is an integer number (7808575724796).

Almost surely, 2^{121311011220233} is an apocalyptic number.

It is an amenable number.

121311011220233 is a deficient number, since it is larger than the sum of its proper divisors (3626200376503).

121311011220233 is a wasteful number, since it uses less digits than its factorization.

121311011220233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2885624.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 121311011220233 its reverse (332022110113121), we get a palindrome (453333121333354).

The spelling of 121311011220233 in words is "one hundred twenty-one trillion, three hundred eleven billion, eleven million, two hundred twenty thousand, two hundred thirty-three".