2002211122201 has 4 divisors (see below), whose sum is σ = 2089263779712. Its totient is φ = 1915158464692.

The previous prime is 2002211122199. The next prime is 2002211122207. The reversal of 2002211122201 is 1022211122002.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2002211122201 - 2¹ = 2002211122199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2002211122207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43526328721 + ... + 43526328766.

It is an arithmetic number, because the mean of its divisors is an integer number (522315944928).

Almost surely, 2^{2002211122201} is an apocalyptic number.

It is an amenable number.

2002211122201 is a deficient number, since it is larger than the sum of its proper divisors (87052657511).

2002211122201 is an equidigital number, since it uses as much as digits as its factorization.

2002211122201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87052657510.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2002211122201 its reverse (1022211122002), we get a palindrome (3024422244203).

The spelling of 2002211122201 in words is "two trillion, two billion, two hundred eleven million, one hundred twenty-two thousand, two hundred one".