7121734081201 has 4 divisors (see below), whose sum is σ = 7127557250112. Its totient is φ = 7115910912292.

The previous prime is 7121734081177. The next prime is 7121734081261. The reversal of 7121734081201 is 1021804371217.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7121734081201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7121734081261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2911582621 + ... + 2911585066.

It is an arithmetic number, because the mean of its divisors is an integer number (1781889312528).

Almost surely, 2^{7121734081201} is an apocalyptic number.

It is an amenable number.

7121734081201 is a deficient number, since it is larger than the sum of its proper divisors (5823168911).

7121734081201 is a wasteful number, since it uses less digits than its factorization.

7121734081201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5823168910.

The product of its (nonzero) digits is 18816, while the sum is 37.

The spelling of 7121734081201 in words is "seven trillion, one hundred twenty-one billion, seven hundred thirty-four million, eighty-one thousand, two hundred one".