2001021013322 has 8 divisors (see below), whose sum is σ = 3159506863200. Its totient is φ = 947852058924.

The previous prime is 2001021013307. The next prime is 2001021013331. The reversal of 2001021013322 is 2233101201002.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2001021013322.

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, 26329223822 + ... + 26329223897.

It is an arithmetic number, because the mean of its divisors is an integer number (394938357900).

Almost surely, 2^{2001021013322} is an apocalyptic number.

2001021013322 is a deficient number, since it is larger than the sum of its proper divisors (1158485849878).

2001021013322 is a wasteful number, since it uses less digits than its factorization.

2001021013322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52658447740.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 2001021013322 its reverse (2233101201002), we get a palindrome (4234122214324).

The spelling of 2001021013322 in words is "two trillion, one billion, twenty-one million, thirteen thousand, three hundred twenty-two".