1000011110021 has 8 divisors (see below), whose sum is σ = 1246767098304. Its totient is φ = 779229436320.

The previous prime is 1000011110011. The next prime is 1000011110027. The reversal of 1000011110021 is 1200111100001.

It is a happy number.

1000011110021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-1000011110021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1000011109990 and 1000011110008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000011110027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6493578560 + ... + 6493578713.

It is an arithmetic number, because the mean of its divisors is an integer number (155845887288).

Almost surely, 2^{1000011110021} is an apocalyptic number.

1000011110021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1000011110021 is a deficient number, since it is larger than the sum of its proper divisors (246755988283).

1000011110021 is a wasteful number, since it uses less digits than its factorization.

1000011110021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12987157291.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 1000011110021 its reverse (1200111100001), we get a palindrome (2200122210022).

The spelling of 1000011110021 in words is "one trillion, eleven million, one hundred ten thousand, twenty-one".