2002022221111 has 12 divisors (see below), whose sum is σ = 2254242321072. Its totient is φ = 1775629460000.

The previous prime is 2002022221097. The next prime is 2002022221139. The reversal of 2002022221111 is 1111222202002.

It is a happy number.

It is not a de Polignac number, because 2002022221111 - 2⁵ = 2002022221079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002022221141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 201771115 + ... + 201781036.

It is an arithmetic number, because the mean of its divisors is an integer number (187853526756).

Almost surely, 2^{2002022221111} is an apocalyptic number.

2002022221111 is a deficient number, since it is larger than the sum of its proper divisors (252220099961).

2002022221111 is a wasteful number, since it uses less digits than its factorization.

2002022221111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403552214 (or 403552203 counting only the distinct ones).

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

Adding to 2002022221111 its reverse (1111222202002), we get a palindrome (3113244423113).

The spelling of 2002022221111 in words is "two trillion, two billion, twenty-two million, two hundred twenty-one thousand, one hundred eleven".