111200000101 has 2 divisors, whose sum is σ = 111200000102. Its totient is φ = 111200000100.

The previous prime is 111200000047. The next prime is 111200000111. The reversal of 111200000101 is 101000002111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80619084225 + 30580915876 = 283935^2 + 174874^2 .

It is a cyclic number.

It is not a de Polignac number, because 111200000101 - 2¹³ = 111199991909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111200000111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55600000050 + 55600000051.

It is an arithmetic number, because the mean of its divisors is an integer number (55600000051).

Almost surely, 2^111200000101 is an apocalyptic number.

It is an amenable number.

111200000101 is a deficient number, since it is larger than the sum of its proper divisors (1).

111200000101 is an equidigital number, since it uses as much as digits as its factorization.

111200000101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 111200000101 its reverse (101000002111), we get a palindrome (212200002212).

The spelling of 111200000101 in words is "one hundred eleven billion, two hundred million, one hundred one", and thus it is an aban number.