200111122212 has 12 divisors (see below), whose sum is σ = 466925951856. Its totient is φ = 66703707400.

The previous prime is 200111122171. The next prime is 200111122229. The reversal of 200111122212 is 212221111002.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×200111122212² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 200111122191 and 200111122200.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8337963414 + ... + 8337963437.

It is an arithmetic number, because the mean of its divisors is an integer number (38910495988).

Almost surely, 2^200111122212 is an apocalyptic number.

It is an amenable number.

200111122212 is an abundant number, since it is smaller than the sum of its proper divisors (266814829644).

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

200111122212 is a wasteful number, since it uses less digits than its factorization.

200111122212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16675926858 (or 16675926856 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 200111122212 its reverse (212221111002), we get a palindrome (412332233214).

The spelling of 200111122212 in words is "two hundred billion, one hundred eleven million, one hundred twenty-two thousand, two hundred twelve".