2002111220201 has 4 divisors (see below), whose sum is σ = 2002631117904. Its totient is φ = 2001591322500.

The previous prime is 2002111220189. The next prime is 2002111220209. The reversal of 2002111220201 is 1020221112002.

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 2002111220201 - 2¹⁰ = 2002111219177 is a prime.

It is a super-2 number, since 2×2002111220201² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2002111220209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259943075 + ... + 259950776.

It is an arithmetic number, because the mean of its divisors is an integer number (500657779476).

Almost surely, 2^{2002111220201} is an apocalyptic number.

It is an amenable number.

2002111220201 is a deficient number, since it is larger than the sum of its proper divisors (519897703).

2002111220201 is an equidigital number, since it uses as much as digits as its factorization.

2002111220201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519897702.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2002111220201 its reverse (1020221112002), we get a palindrome (3022332332203).

The spelling of 2002111220201 in words is "two trillion, two billion, one hundred eleven million, two hundred twenty thousand, two hundred one".