121113112200321 has 8 divisors (see below), whose sum is σ = 161490647794464. Its totient is φ = 80738825703200.

The previous prime is 121113112200319. The next prime is 121113112200329. The reversal of 121113112200321 is 123002211311121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121113112200321 - 2¹ = 121113112200319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121113112200329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 812187276 + ... + 812336381.

It is an arithmetic number, because the mean of its divisors is an integer number (20186330974308).

Almost surely, 2^{121113112200321} is an apocalyptic number.

It is an amenable number.

121113112200321 is a deficient number, since it is larger than the sum of its proper divisors (40377535594143).

121113112200321 is a wasteful number, since it uses less digits than its factorization.

121113112200321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1624548511.

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 121113112200321 its reverse (123002211311121), we get a palindrome (244115323511442).

The spelling of 121113112200321 in words is "one hundred twenty-one trillion, one hundred thirteen billion, one hundred twelve million, two hundred thousand, three hundred twenty-one".