2001313211122 has 8 divisors (see below), whose sum is σ = 3001976060400. Its totient is φ = 1000654524324.

The previous prime is 2001313211101. The next prime is 2001313211137. The reversal of 2001313211122 is 2211123131002.

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

It is a super-2 number, since 2×2001313211122² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2001313211122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 844029 + ... + 2171407.

It is an arithmetic number, because the mean of its divisors is an integer number (375247007550).

Almost surely, 2^{2001313211122} is an apocalyptic number.

2001313211122 is a deficient number, since it is larger than the sum of its proper divisors (1000662849278).

2001313211122 is a wasteful number, since it uses less digits than its factorization.

2001313211122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2081240.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 2001313211122 its reverse (2211123131002), we get a palindrome (4212436342124).

The spelling of 2001313211122 in words is "two trillion, one billion, three hundred thirteen million, two hundred eleven thousand, one hundred twenty-two".