20002222000111 has 4 divisors (see below), whose sum is σ = 21540854461672. Its totient is φ = 18463589538552.

The previous prime is 20002222000109. The next prime is 20002222000121. The reversal of 20002222000111 is 11100022220002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20002222000111 - 2¹ = 20002222000109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 1538632461547 = 20002222000111 / (2 + 0 + 0 + 0 + 2 + 2 + 2 + 2 + 0 + 0 + 0 + 1 + 1 + 1).

It is a junction number, because it is equal to n+sod(n) for n = 20002222000091 and 20002222000100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20002222000121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 769316230761 + ... + 769316230786.

It is an arithmetic number, because the mean of its divisors is an integer number (5385213615418).

Almost surely, 2^{20002222000111} is an apocalyptic number.

20002222000111 is a deficient number, since it is larger than the sum of its proper divisors (1538632461561).

20002222000111 is a wasteful number, since it uses less digits than its factorization.

20002222000111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1538632461560.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20002222000111 its reverse (11100022220002), we get a palindrome (31102244220113).

The spelling of 20002222000111 in words is "twenty trillion, two billion, two hundred twenty-two million, one hundred eleven", and thus it is an aban number.