2202021111111 has 16 divisors (see below), whose sum is σ = 2979936208128. Its totient is φ = 1446061320000.

The previous prime is 2202021111109. The next prime is 2202021111113. The reversal of 2202021111111 is 1111111202022.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2202021111109) and next prime (2202021111113).

It is not a de Polignac number, because 2202021111111 - 2¹ = 2202021111109 is a prime.

2202021111111 is a modest number, since divided by 1111111 gives 220202 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2202021111113) 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 15 ways as a sum of consecutive naturals, for example, 7731486 + ... + 8011236.

It is an arithmetic number, because the mean of its divisors is an integer number (186246013008).

Almost surely, 2^{2202021111111} is an apocalyptic number.

2202021111111 is a deficient number, since it is larger than the sum of its proper divisors (777915097017).

2202021111111 is a wasteful number, since it uses less digits than its factorization.

2202021111111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318982.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 2202021111111 its reverse (1111111202022), we get a palindrome (3313132313133).

It can be divided in two parts, 2202021 and 111111, that added together give a palindrome (2313132).

The spelling of 2202021111111 in words is "two trillion, two hundred two billion, twenty-one million, one hundred eleven thousand, one hundred eleven".