121033213023311 has 4 divisors (see below), whose sum is σ = 121034617842624. Its totient is φ = 121031808204000.

The previous prime is 121033213023293. The next prime is 121033213023383. The reversal of 121033213023311 is 113320312330121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121033213023311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121033213083311) 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, 702280415 + ... + 702452736.

It is an arithmetic number, because the mean of its divisors is an integer number (30258654460656).

Almost surely, 2^{121033213023311} is an apocalyptic number.

121033213023311 is a deficient number, since it is larger than the sum of its proper divisors (1404819313).

121033213023311 is an equidigital number, since it uses as much as digits as its factorization.

121033213023311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1404819312.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 121033213023311 its reverse (113320312330121), we get a palindrome (234353525353432).

The spelling of 121033213023311 in words is "one hundred twenty-one trillion, thirty-three billion, two hundred thirteen million, twenty-three thousand, three hundred eleven".