2001203445322 has 4 divisors (see below), whose sum is σ = 3001805167986. Its totient is φ = 1000601722660.

The previous prime is 2001203445287. The next prime is 2001203445389. The reversal of 2001203445322 is 2235443021002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1301536440801 + 699667004521 = 1140849^2 + 836461^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500300861329 + ... + 500300861332.

Almost surely, 2^{2001203445322} is an apocalyptic number.

2001203445322 is a deficient number, since it is larger than the sum of its proper divisors (1000601722664).

2001203445322 is a wasteful number, since it uses less digits than its factorization.

2001203445322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000601722663.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 2001203445322 its reverse (2235443021002), we get a palindrome (4236646466324).

The spelling of 2001203445322 in words is "two trillion, one billion, two hundred three million, four hundred forty-five thousand, three hundred twenty-two".