2002201111001 has 32 divisors (see below), whose sum is σ = 2483500992000. Its totient is φ = 1571805181440.

The previous prime is 2002201110983. The next prime is 2002201111007. The reversal of 2002201111001 is 1001111022002.

It is a de Polignac number, because none of the positive numbers 2^k-2002201111001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2002201111007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12380381 + ... + 12541061.

It is an arithmetic number, because the mean of its divisors is an integer number (77609406000).

Almost surely, 2^{2002201111001} is an apocalyptic number.

It is an amenable number.

2002201111001 is a deficient number, since it is larger than the sum of its proper divisors (481299880999).

2002201111001 is a wasteful number, since it uses less digits than its factorization.

2002201111001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161769.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 2002201111001 its reverse (1001111022002), we get a palindrome (3003312133003).

The spelling of 2002201111001 in words is "two trillion, two billion, two hundred one million, one hundred eleven thousand, one".