120213331310321 has 16 divisors (see below), whose sum is σ = 124169212570560. Its totient is φ = 116295741938880.

The previous prime is 120213331310299. The next prime is 120213331310329. The reversal of 120213331310321 is 123013133312021.

It is a cyclic number.

It is not a de Polignac number, because 120213331310321 - 2³⁰ = 120212257568497 is a prime.

It is a super-2 number, since 2×120213331310321² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120213331310329) 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, 399815 + ... + 15510851.

It is an arithmetic number, because the mean of its divisors is an integer number (7760575785660).

Almost surely, 2^{120213331310321} is an apocalyptic number.

It is an amenable number.

120213331310321 is a deficient number, since it is larger than the sum of its proper divisors (3955881260239).

120213331310321 is a wasteful number, since it uses less digits than its factorization.

120213331310321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15112304.

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

Adding to 120213331310321 its reverse (123013133312021), we get a palindrome (243226464622342).

The spelling of 120213331310321 in words is "one hundred twenty trillion, two hundred thirteen billion, three hundred thirty-one million, three hundred ten thousand, three hundred twenty-one".