200112220111122 has 24 divisors (see below), whose sum is σ = 472992520263120. Its totient is φ = 60640066700280.

The previous prime is 200112220111121. The next prime is 200112220111157. The reversal of 200112220111122 is 221111022211002.

200112220111122 is a `hidden beast` number, since 200 + 1 + 12 + 220 + 111 + 122 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 200112220111095 and 200112220111104.

It is not an unprimeable number, because it can be changed into a prime (200112220111121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 505333888972 + ... + 505333889367.

It is an arithmetic number, because the mean of its divisors is an integer number (19708021677630).

Almost surely, 2^{200112220111122} is an apocalyptic number.

200112220111122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

200112220111122 is an abundant number, since it is smaller than the sum of its proper divisors (272880300151998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

200112220111122 is a wasteful number, since it uses less digits than its factorization.

200112220111122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010667778358 (or 1010667778355 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 200112220111122 its reverse (221111022211002), we get a palindrome (421223242322124).

The spelling of 200112220111122 in words is "two hundred trillion, one hundred twelve billion, two hundred twenty million, one hundred eleven thousand, one hundred twenty-two".