200212012222111 has 4 divisors (see below), whose sum is σ = 202048819673800. Its totient is φ = 198375204770424.

The previous prime is 200212012222049. The next prime is 200212012222147. The reversal of 200212012222111 is 111222210212002.

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 200212012222111 - 2²³ = 200212003833503 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 (200212012222511) 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, 918403725681 + ... + 918403725898.

It is an arithmetic number, because the mean of its divisors is an integer number (50512204918450).

Almost surely, 2^{200212012222111} is an apocalyptic number.

200212012222111 is a deficient number, since it is larger than the sum of its proper divisors (1836807451689).

200212012222111 is a wasteful number, since it uses less digits than its factorization.

200212012222111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1836807451688.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 200212012222111 its reverse (111222210212002), we get a palindrome (311434222434113).

The spelling of 200212012222111 in words is "two hundred trillion, two hundred twelve billion, twelve million, two hundred twenty-two thousand, one hundred eleven".