73201122122111 has 16 divisors (see below), whose sum is σ = 76599262720800. Its totient is φ = 69877748124288.

The previous prime is 73201122122069. The next prime is 73201122122153. The reversal of 73201122122111 is 11122122110237.

It is an interprime number because it is at equal distance from previous prime (73201122122069) and next prime (73201122122153).

It is a cyclic number.

It is not a de Polignac number, because 73201122122111 - 2⁶ = 73201122122047 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 (73201122128111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135252680 + ... + 135792818.

It is an arithmetic number, because the mean of its divisors is an integer number (4787453920050).

Almost surely, 2^{73201122122111} is an apocalyptic number.

73201122122111 is a deficient number, since it is larger than the sum of its proper divisors (3398140598689).

73201122122111 is a wasteful number, since it uses less digits than its factorization.

73201122122111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609338.

The product of its (nonzero) digits is 672, while the sum is 26.

Adding to 73201122122111 its reverse (11122122110237), we get a palindrome (84323244232348).

The spelling of 73201122122111 in words is "seventy-three trillion, two hundred one billion, one hundred twenty-two million, one hundred twenty-two thousand, one hundred eleven".