7221310511151 has 8 divisors (see below), whose sum is σ = 10503724379904. Its totient is φ = 4376551824920.

The previous prime is 7221310511141. The next prime is 7221310511161. The reversal of 7221310511151 is 1511150131227.

It is an interprime number because it is at equal distance from previous prime (7221310511141) and next prime (7221310511161).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7221310511151 - 2⁶ = 7221310511087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7221310511141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109413795591 + ... + 109413795656.

It is an arithmetic number, because the mean of its divisors is an integer number (1312965547488).

Almost surely, 2^{7221310511151} is an apocalyptic number.

7221310511151 is a deficient number, since it is larger than the sum of its proper divisors (3282413868753).

7221310511151 is a wasteful number, since it uses less digits than its factorization.

7221310511151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218827591261.

The product of its (nonzero) digits is 2100, while the sum is 30.

Adding to 7221310511151 its reverse (1511150131227), we get a palindrome (8732460642378).

The spelling of 7221310511151 in words is "seven trillion, two hundred twenty-one billion, three hundred ten million, five hundred eleven thousand, one hundred fifty-one".