200122220011111 has 4 divisors (see below), whose sum is σ = 200155021561224. Its totient is φ = 200089418461000.

The previous prime is 200122220011081. The next prime is 200122220011169. The reversal of 200122220011111 is 111110022221002.

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 200122220011111 - 2⁵ = 200122220011079 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 (200122220014111) 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, 16400765905 + ... + 16400778106.

It is an arithmetic number, because the mean of its divisors is an integer number (50038755390306).

Almost surely, 2^{200122220011111} is an apocalyptic number.

200122220011111 is a deficient number, since it is larger than the sum of its proper divisors (32801550113).

200122220011111 is an equidigital number, since it uses as much as digits as its factorization.

200122220011111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32801550112.

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

Adding to 200122220011111 its reverse (111110022221002), we get a palindrome (311232242232113).

The spelling of 200122220011111 in words is "two hundred trillion, one hundred twenty-two billion, two hundred twenty million, eleven thousand, one hundred eleven".