2002111112221 has 8 divisors (see below), whose sum is σ = 2279083005504. Its totient is φ = 1740966184320.

The previous prime is 2002111112219. The next prime is 2002111112231. The reversal of 2002111112221 is 1222111112002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2002111112221 - 2¹ = 2002111112219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2002111112195 and 2002111112204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002111112231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3956741076 + ... + 3956741581.

It is an arithmetic number, because the mean of its divisors is an integer number (284885375688).

Almost surely, 2^{2002111112221} is an apocalyptic number.

It is an amenable number.

2002111112221 is a deficient number, since it is larger than the sum of its proper divisors (276971893283).

2002111112221 is a wasteful number, since it uses less digits than its factorization.

2002111112221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7913482691.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2002111112221 its reverse (1222111112002), we get a palindrome (3224222224223).

The spelling of 2002111112221 in words is "two trillion, two billion, one hundred eleven million, one hundred twelve thousand, two hundred twenty-one".