1100201303121 has 16 divisors (see below), whose sum is σ = 1571938933824. Its totient is φ = 682005246464.

The previous prime is 1100201303111. The next prime is 1100201303167. The reversal of 1100201303121 is 1213031020011.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1100201303121 - 2²¹ = 1100199205969 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1100201303121.

It is not an unprimeable number, because it can be changed into a prime (1100201303111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129951036 + ... + 129959501.

It is an arithmetic number, because the mean of its divisors is an integer number (98246183364).

Almost surely, 2^{1100201303121} is an apocalyptic number.

It is an amenable number.

1100201303121 is a deficient number, since it is larger than the sum of its proper divisors (471737630703).

1100201303121 is a wasteful number, since it uses less digits than its factorization.

1100201303121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259910640.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1100201303121 its reverse (1213031020011), we get a palindrome (2313232323132).

It can be divided in two parts, 110020 and 1303121, that added together give a palindrome (1413141).

The spelling of 1100201303121 in words is "one trillion, one hundred billion, two hundred one million, three hundred three thousand, one hundred twenty-one".