111210200102 has 4 divisors (see below), whose sum is σ = 166815300156. Its totient is φ = 55605100050.

The previous prime is 111210200099. The next prime is 111210200131. The reversal of 111210200102 is 201002012111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 201002012111 = 19 ⋅10579053269.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 27802550024 + ... + 27802550027.

It is an arithmetic number, because the mean of its divisors is an integer number (41703825039).

Almost surely, 2^111210200102 is an apocalyptic number.

111210200102 is a deficient number, since it is larger than the sum of its proper divisors (55605100054).

111210200102 is an equidigital number, since it uses as much as digits as its factorization.

111210200102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55605100053.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 111210200102 its reverse (201002012111), we get a palindrome (312212212213).

The spelling of 111210200102 in words is "one hundred eleven billion, two hundred ten million, two hundred thousand, one hundred two".