200111122202220 has 72 divisors (see below), whose sum is σ = 610394819776560. Its totient is φ = 53064848784000.

The previous prime is 200111122202149. The next prime is 200111122202291. The reversal of 200111122202220 is 22202221111002.

It is a happy number.

200111122202220 is a `hidden beast` number, since 200 + 1 + 11 + 12 + 220 + 2 + 220 = 666.

It is an interprime number because it is at equal distance from previous prime (200111122202149) and next prime (200111122202291).

It is a super-2 number, since 2×200111122202220² (a number of 29 digits) contains 22 as substring.

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 = 200111122202193 and 200111122202202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3105354531 + ... + 3105418970.

It is an arithmetic number, because the mean of its divisors is an integer number (8477705830230).

Almost surely, 2^{200111122202220} is an apocalyptic number.

200111122202220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200111122202220 is an abundant number, since it is smaller than the sum of its proper divisors (410283697574340).

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

200111122202220 is a wasteful number, since it uses less digits than its factorization.

200111122202220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6210773695 (or 6210773690 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 200111122202220 its reverse (22202221111002), we get a palindrome (222313343313222).

The spelling of 200111122202220 in words is "two hundred trillion, one hundred eleven billion, one hundred twenty-two million, two hundred two thousand, two hundred twenty".