1100100201201 has 24 divisors (see below), whose sum is σ = 1611503247744. Its totient is φ = 723030678720.

The previous prime is 1100100201199. The next prime is 1100100201217. The reversal of 1100100201201 is 1021020010011.

It is a happy number.

It is not a de Polignac number, because 1100100201201 - 2¹ = 1100100201199 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (1100100201251) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15560805 + ... + 15631341.

It is an arithmetic number, because the mean of its divisors is an integer number (67145968656).

Almost surely, 2^{1100100201201} is an apocalyptic number.

It is an amenable number.

1100100201201 is a deficient number, since it is larger than the sum of its proper divisors (511403046543).

1100100201201 is a wasteful number, since it uses less digits than its factorization.

1100100201201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95021 (or 95018 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 1100100201201 its reverse (1021020010011), we get a palindrome (2121120211212).

The spelling of 1100100201201 in words is "one trillion, one hundred billion, one hundred million, two hundred one thousand, two hundred one".