2002221222111 has 24 divisors (see below), whose sum is σ = 3155083940736. Its totient is φ = 1213440991440.

The previous prime is 2002221222109. The next prime is 2002221222149. The reversal of 2002221222111 is 1112221222002.

It is a happy number.

2002221222111 is a `hidden beast` number, since 200 + 22 + 212 + 221 + 11 = 666.

It is not a de Polignac number, because 2002221222111 - 2¹ = 2002221222109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002221212111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4964116 + ... + 5352278.

It is an arithmetic number, because the mean of its divisors is an integer number (131461830864).

Almost surely, 2^{2002221222111} is an apocalyptic number.

2002221222111 is a deficient number, since it is larger than the sum of its proper divisors (1152862718625).

2002221222111 is a wasteful number, since it uses less digits than its factorization.

2002221222111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440283 (or 440280 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2002221222111 its reverse (1112221222002), we get a palindrome (3114442444113).

The spelling of 2002221222111 in words is "two trillion, two billion, two hundred twenty-one million, two hundred twenty-two thousand, one hundred eleven".