1101103121031 has 8 divisors (see below), whose sum is σ = 1518762925680. Its totient is φ = 708756031872.

The previous prime is 1101103121023. The next prime is 1101103121033. The reversal of 1101103121031 is 1301213011011.

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

It is not a de Polignac number, because 1101103121031 - 2³ = 1101103121023 is a prime.

It is a super-2 number, since 2×1101103121031² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1101103121031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101103121033) 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, 6328178770 + ... + 6328178943.

It is an arithmetic number, because the mean of its divisors is an integer number (189845365710).

Almost surely, 2^{1101103121031} is an apocalyptic number.

1101103121031 is a deficient number, since it is larger than the sum of its proper divisors (417659804649).

1101103121031 is a wasteful number, since it uses less digits than its factorization.

1101103121031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12656357745.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 1101103121031 its reverse (1301213011011), we get a palindrome (2402316132042).

The spelling of 1101103121031 in words is "one trillion, one hundred one billion, one hundred three million, one hundred twenty-one thousand, thirty-one".