311122112001 has 8 divisors (see below), whose sum is σ = 416565171840. Its totient is φ = 206546896752.

The previous prime is 311122111999. The next prime is 311122112029. The reversal of 311122112001 is 100211221113.

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

It is not a de Polignac number, because 311122112001 - 2¹ = 311122111999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (311122112501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216960310 + ... + 216961743.

It is an arithmetic number, because the mean of its divisors is an integer number (52070646480).

Almost surely, 2^311122112001 is an apocalyptic number.

It is an amenable number.

311122112001 is a deficient number, since it is larger than the sum of its proper divisors (105443059839).

311122112001 is a wasteful number, since it uses less digits than its factorization.

311122112001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433922295.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 311122112001 its reverse (100211221113), we get a palindrome (411333333114).

The spelling of 311122112001 in words is "three hundred eleven billion, one hundred twenty-two million, one hundred twelve thousand, one".