1100111200101 has 32 divisors (see below), whose sum is σ = 1774730736000. Its totient is φ = 670848200064.

The previous prime is 1100111200099. The next prime is 1100111200169. The reversal of 1100111200101 is 1010021110011.

It is not a de Polignac number, because 1100111200101 - 2¹ = 1100111200099 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100111240101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36958680 + ... + 36988433.

It is an arithmetic number, because the mean of its divisors is an integer number (55460335500).

Almost surely, 2^{1100111200101} is an apocalyptic number.

It is an amenable number.

1100111200101 is a deficient number, since it is larger than the sum of its proper divisors (674619535899).

1100111200101 is a wasteful number, since it uses less digits than its factorization.

1100111200101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73947170 (or 73947164 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 1100111200101 its reverse (1010021110011), we get a palindrome (2110132310112).

The spelling of 1100111200101 in words is "one trillion, one hundred billion, one hundred eleven million, two hundred thousand, one hundred one".