200111111222100 has 144 divisors (see below), whose sum is σ = 623883861793920. Its totient is φ = 49229825011200.

The previous prime is 200111111222027. The next prime is 200111111222137. The reversal of 200111111222100 is 1222111111002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 200111111222100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7946040 + ... + 21525839.

Almost surely, 2^{200111111222100} is an apocalyptic number.

200111111222100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200111111222100 is an abundant number, since it is smaller than the sum of its proper divisors (423772750571820).

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

200111111222100 is a wasteful number, since it uses less digits than its factorization.

200111111222100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29473650 (or 29473643 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 200111111222100 its reverse (1222111111002), we get a palindrome (201333222333102).

The spelling of 200111111222100 in words is "two hundred trillion, one hundred eleven billion, one hundred eleven million, two hundred twenty-two thousand, one hundred".