2001211002002 has 16 divisors (see below), whose sum is σ = 3008282112000. Its totient is φ = 998451426960.

The previous prime is 2001211001963. The next prime is 2001211002031. The reversal of 2001211002002 is 2002001121002.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3289199 + ... + 3849837.

It is an arithmetic number, because the mean of its divisors is an integer number (188017632000).

Almost surely, 2^{2001211002002} is an apocalyptic number.

2001211002002 is a deficient number, since it is larger than the sum of its proper divisors (1007071109998).

2001211002002 is a wasteful number, since it uses less digits than its factorization.

2001211002002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564481.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2001211002002 its reverse (2002001121002), we get a palindrome (4003212123004).

The spelling of 2001211002002 in words is "two trillion, one billion, two hundred eleven million, two thousand, two".