200111110102 has 4 divisors (see below), whose sum is σ = 300166665156. Its totient is φ = 100055555050.

The previous prime is 200111110099. The next prime is 200111110109. The reversal of 200111110102 is 201011111002.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200111110109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50027777524 + ... + 50027777527.

It is an arithmetic number, because the mean of its divisors is an integer number (75041666289).

Almost surely, 2^200111110102 is an apocalyptic number.

200111110102 is a deficient number, since it is larger than the sum of its proper divisors (100055555054).

200111110102 is a wasteful number, since it uses less digits than its factorization.

200111110102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100055555053.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 200111110102 its reverse (201011111002), we get a palindrome (401122221104).

The spelling of 200111110102 in words is "two hundred billion, one hundred eleven million, one hundred ten thousand, one hundred two".