2121141321401 has 8 divisors (see below), whose sum is σ = 2129257113984. Its totient is φ = 2113025912800.

The previous prime is 2121141321389. The next prime is 2121141321433. The reversal of 2121141321401 is 1041231411212.

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 2121141321401 - 2³⁰ = 2120067579577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2121141321301) 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, 16327301 + ... + 16456701.

It is an arithmetic number, because the mean of its divisors is an integer number (266157139248).

Almost surely, 2^{2121141321401} is an apocalyptic number.

It is an amenable number.

2121141321401 is a deficient number, since it is larger than the sum of its proper divisors (8115792583).

2121141321401 is a wasteful number, since it uses less digits than its factorization.

2121141321401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191991.

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 2121141321401 its reverse (1041231411212), we get a palindrome (3162372732613).

The spelling of 2121141321401 in words is "two trillion, one hundred twenty-one billion, one hundred forty-one million, three hundred twenty-one thousand, four hundred one".