20111301123321 has 8 divisors (see below), whose sum is σ = 26815248730944. Its totient is φ = 13407443798960.

The previous prime is 20111301123301. The next prime is 20111301123343. The reversal of 20111301123321 is 12332110311102.

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 20111301123321 - 2¹⁴ = 20111301106937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20111301123301) 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, 22049325 + ... + 22943306.

It is an arithmetic number, because the mean of its divisors is an integer number (3351906091368).

Almost surely, 2^{20111301123321} is an apocalyptic number.

It is an amenable number.

20111301123321 is a deficient number, since it is larger than the sum of its proper divisors (6703947607623).

20111301123321 is a wasteful number, since it uses less digits than its factorization.

20111301123321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45141631.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 20111301123321 its reverse (12332110311102), we get a palindrome (32443411434423).

The spelling of 20111301123321 in words is "twenty trillion, one hundred eleven billion, three hundred one million, one hundred twenty-three thousand, three hundred twenty-one".