72022342121311 has 4 divisors (see below), whose sum is σ = 72022637782000. Its totient is φ = 72022046460624.

The previous prime is 72022342121291. The next prime is 72022342121329. The reversal of 72022342121311 is 11312124322027.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72022342121311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72022342721311) 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, 147464646 + ... + 147952243.

It is an arithmetic number, because the mean of its divisors is an integer number (18005659445500).

Almost surely, 2^{72022342121311} is an apocalyptic number.

72022342121311 is a deficient number, since it is larger than the sum of its proper divisors (295660689).

72022342121311 is a wasteful number, since it uses less digits than its factorization.

72022342121311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295660688.

The product of its (nonzero) digits is 8064, while the sum is 31.

Adding to 72022342121311 its reverse (11312124322027), we get a palindrome (83334466443338).

The spelling of 72022342121311 in words is "seventy-two trillion, twenty-two billion, three hundred forty-two million, one hundred twenty-one thousand, three hundred eleven".