2121341200401 has 8 divisors (see below), whose sum is σ = 2853485508960. Its totient is φ = 1401712179392.

The previous prime is 2121341200333. The next prime is 2121341200411. The reversal of 2121341200401 is 1040021431212.

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 2121341200401 - 2⁷ = 2121341200273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2121341200411) 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, 3128821491 + ... + 3128822168.

It is an arithmetic number, because the mean of its divisors is an integer number (356685688620).

Almost surely, 2^{2121341200401} is an apocalyptic number.

It is an amenable number.

2121341200401 is a deficient number, since it is larger than the sum of its proper divisors (732144308559).

2121341200401 is a wasteful number, since it uses less digits than its factorization.

2121341200401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6257643775.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 2121341200401 its reverse (1040021431212), we get a palindrome (3161362631613).

The spelling of 2121341200401 in words is "two trillion, one hundred twenty-one billion, three hundred forty-one million, two hundred thousand, four hundred one".