200111121122 has 16 divisors (see below), whose sum is σ = 328012427232. Its totient is φ = 90804637920.

The previous prime is 200111121109. The next prime is 200111121131. The reversal of 200111121122 is 221121111002.

It is a junction number, because it is equal to n+sod(n) for n = 200111121097 and 200111121106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7734923 + ... + 7760750.

It is an arithmetic number, because the mean of its divisors is an integer number (20500776702).

Almost surely, 2^200111121122 is an apocalyptic number.

200111121122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

200111121122 is a deficient number, since it is larger than the sum of its proper divisors (127901306110).

200111121122 is a wasteful number, since it uses less digits than its factorization.

200111121122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15496273.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 200111121122 its reverse (221121111002), we get a palindrome (421232232124).

The spelling of 200111121122 in words is "two hundred billion, one hundred eleven million, one hundred twenty-one thousand, one hundred twenty-two".