1101211120031 has 16 divisors (see below), whose sum is σ = 1203969191040. Its totient is φ = 998896290720.

The previous prime is 1101211120007. The next prime is 1101211120043. The reversal of 1101211120031 is 1300211121011.

It is a cyclic number.

It is not a de Polignac number, because 1101211120031 - 2¹⁴ = 1101211103647 is a prime.

It is a super-2 number, since 2×1101211120031² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1101211119988 and 1101211120015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101211420031) 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 15 ways as a sum of consecutive naturals, for example, 11753336 + ... + 11846658.

It is an arithmetic number, because the mean of its divisors is an integer number (75248074440).

Almost surely, 2^{1101211120031} is an apocalyptic number.

1101211120031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1101211120031 is a deficient number, since it is larger than the sum of its proper divisors (102758071009).

1101211120031 is a wasteful number, since it uses less digits than its factorization.

1101211120031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95686.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 1101211120031 its reverse (1300211121011), we get a palindrome (2401422241042).

The spelling of 1101211120031 in words is "one trillion, one hundred one billion, two hundred eleven million, one hundred twenty thousand, thirty-one".