7272121110027 has 4 divisors (see below), whose sum is σ = 9696161480040. Its totient is φ = 4848080740016.

The previous prime is 7272121110011. The next prime is 7272121110029. The reversal of 7272121110027 is 7200111212727.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7272121110027 - 2⁴ = 7272121110011 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7272121110027.

It is not an unprimeable number, because it can be changed into a prime (7272121110029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1212020185002 + ... + 1212020185007.

It is an arithmetic number, because the mean of its divisors is an integer number (2424040370010).

Almost surely, 2^{7272121110027} is an apocalyptic number.

7272121110027 is a deficient number, since it is larger than the sum of its proper divisors (2424040370013).

7272121110027 is a wasteful number, since it uses less digits than its factorization.

7272121110027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2424040370012.

The product of its (nonzero) digits is 5488, while the sum is 33.

The spelling of 7272121110027 in words is "seven trillion, two hundred seventy-two billion, one hundred twenty-one million, one hundred ten thousand, twenty-seven".