2001013223002 has 4 divisors (see below), whose sum is σ = 3001519834506. Its totient is φ = 1000506611500.

The previous prime is 2001013222951. The next prime is 2001013223047. The reversal of 2001013223002 is 2003223101002.

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., 1049844095161 + 951169127841 = 1024619^2 + 975279^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500253305749 + ... + 500253305752.

Almost surely, 2^{2001013223002} is an apocalyptic number.

2001013223002 is a deficient number, since it is larger than the sum of its proper divisors (1000506611504).

2001013223002 is a wasteful number, since it uses less digits than its factorization.

2001013223002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000506611503.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 2001013223002 its reverse (2003223101002), we get a palindrome (4004236324004).

The spelling of 2001013223002 in words is "two trillion, one billion, thirteen million, two hundred twenty-three thousand, two".