1111013210021 has 16 divisors (see below), whose sum is σ = 1305391391808. Its totient is φ = 932215132800.

The previous prime is 1111013210009. The next prime is 1111013210023. The reversal of 1111013210021 is 1200123101111.

It is a cyclic number.

It is not a de Polignac number, because 1111013210021 - 2³⁴ = 1093833340837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1111013209978 and 1111013210005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111013210023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 872705 + ... + 1727321.

It is an arithmetic number, because the mean of its divisors is an integer number (81586961988).

Almost surely, 2^{1111013210021} is an apocalyptic number.

1111013210021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1111013210021 is a deficient number, since it is larger than the sum of its proper divisors (194378181787).

1111013210021 is a wasteful number, since it uses less digits than its factorization.

1111013210021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863732.

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

Adding to 1111013210021 its reverse (1200123101111), we get a palindrome (2311136311132).

The spelling of 1111013210021 in words is "one trillion, one hundred eleven billion, thirteen million, two hundred ten thousand, twenty-one".