200111122 has 4 divisors (see below), whose sum is σ = 300166686. Its totient is φ = 100055560.

The previous prime is 200111117. The next prime is 200111123. The reversal of 200111122 is 221111002.

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

It can be written as a sum of positive squares in only one way, i.e., 197711721 + 2399401 = 14061^2 + 1549^2 .

It is a super-2 number, since 2×200111122² = 80088922296197768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 200111099 and 200111108.

It is not an unprimeable number, because it can be changed into a prime (200111123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50027779 + ... + 50027782.

Almost surely, 2^200111122 is an apocalyptic number.

200111122 is a deficient number, since it is larger than the sum of its proper divisors (100055564).

200111122 is a wasteful number, since it uses less digits than its factorization.

200111122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100055563.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 200111122 is about 14146.0638341554. The cubic root of 200111122 is about 584.9118351562.

Adding to 200111122 its reverse (221111002), we get a palindrome (421222124).

The spelling of 200111122 in words is "two hundred million, one hundred eleven thousand, one hundred twenty-two".