111200101102 has 4 divisors (see below), whose sum is σ = 166800151656. Its totient is φ = 55600050550.

The previous prime is 111200101099. The next prime is 111200101127. The reversal of 111200101102 is 201101002111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 201101002111 = 19 ⋅10584263269.

It is a super-2 number, since 2×111200101102² (a number of 23 digits) contains 22 as substring.

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, 27800025274 + ... + 27800025277.

It is an arithmetic number, because the mean of its divisors is an integer number (41700037914).

Almost surely, 2^111200101102 is an apocalyptic number.

111200101102 is a deficient number, since it is larger than the sum of its proper divisors (55600050554).

111200101102 is an equidigital number, since it uses as much as digits as its factorization.

111200101102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55600050553.

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

Adding to 111200101102 its reverse (201101002111), we get a palindrome (312301103213).

The spelling of 111200101102 in words is "one hundred eleven billion, two hundred million, one hundred one thousand, one hundred two".