151111201222001 has 16 divisors (see below), whose sum is σ = 154743458648064. Its totient is φ = 147484352174544.

The previous prime is 151111201221941. The next prime is 151111201222021. The reversal of 151111201222001 is 100222102111151.

It is a cyclic number.

It is not a de Polignac number, because 151111201222001 - 2³⁰ = 151110127480177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151111201222021) 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, 299674850 + ... + 300178676.

It is an arithmetic number, because the mean of its divisors is an integer number (9671466165504).

Almost surely, 2^{151111201222001} is an apocalyptic number.

It is an amenable number.

151111201222001 is a deficient number, since it is larger than the sum of its proper divisors (3632257426063).

151111201222001 is a wasteful number, since it uses less digits than its factorization.

151111201222001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509180.

The product of its (nonzero) digits is 80, while the sum is 20.

Adding to 151111201222001 its reverse (100222102111151), we get a palindrome (251333303333152).

The spelling of 151111201222001 in words is "one hundred fifty-one trillion, one hundred eleven billion, two hundred one million, two hundred twenty-two thousand, one".