1231101102133 has 8 divisors (see below), whose sum is σ = 1406982805568. Its totient is φ = 1055221928064.

The previous prime is 1231101102097. The next prime is 1231101102247. The reversal of 1231101102133 is 3312011011321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1231101102133 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1231101102133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231101102433) 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, 560710 + ... + 1666312.

It is an arithmetic number, because the mean of its divisors is an integer number (175872850696).

Almost surely, 2^{1231101102133} is an apocalyptic number.

It is an amenable number.

1231101102133 is a deficient number, since it is larger than the sum of its proper divisors (175881703435).

1231101102133 is a wasteful number, since it uses less digits than its factorization.

1231101102133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264683.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1231101102133 its reverse (3312011011321), we get a palindrome (4543112113454).

The spelling of 1231101102133 in words is "one trillion, two hundred thirty-one billion, one hundred one million, one hundred two thousand, one hundred thirty-three".