1100201311172 has 24 divisors (see below), whose sum is σ = 1993864436256. Its totient is φ = 530834024448.

The previous prime is 1100201311171. The next prime is 1100201311259. The reversal of 1100201311172 is 2711131020011.

It is not an unprimeable number, because it can be changed into a prime (1100201311171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38518973 + ... + 38547524.

It is an arithmetic number, because the mean of its divisors is an integer number (83077684844).

Almost surely, 2^{1100201311172} is an apocalyptic number.

It is an amenable number.

1100201311172 is a deficient number, since it is larger than the sum of its proper divisors (893663125084).

1100201311172 is a wasteful number, since it uses less digits than its factorization.

1100201311172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77066627 (or 77066625 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 20.

Adding to 1100201311172 its reverse (2711131020011), we get a palindrome (3811332331183).

The spelling of 1100201311172 in words is "one trillion, one hundred billion, two hundred one million, three hundred eleven thousand, one hundred seventy-two".