121013212002321 has 16 divisors (see below), whose sum is σ = 161386568166528. Its totient is φ = 80657667043200.

The previous prime is 121013212002301. The next prime is 121013212002329. The reversal of 121013212002321 is 123200212310121.

It is not a de Polignac number, because 121013212002321 - 2¹⁵ = 121013211969553 is a prime.

It is a super-3 number, since 3×121013212002321³ (a number of 43 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (121013212002329) 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, 283275516 + ... + 283702386.

It is an arithmetic number, because the mean of its divisors is an integer number (10086660510408).

Almost surely, 2^{121013212002321} is an apocalyptic number.

It is an amenable number.

121013212002321 is a deficient number, since it is larger than the sum of its proper divisors (40373356164207).

121013212002321 is a wasteful number, since it uses less digits than its factorization.

121013212002321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447512.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 121013212002321 its reverse (123200212310121), we get a palindrome (244213424312442).

The spelling of 121013212002321 in words is "one hundred twenty-one trillion, thirteen billion, two hundred twelve million, two thousand, three hundred twenty-one".