11006612021 has 8 divisors (see below), whose sum is σ = 11042251584. Its totient is φ = 10970995680.

The previous prime is 11006611943. The next prime is 11006612051. The reversal of 11006612021 is 12021660011.

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-11006612021 is a prime.

It is a super-2 number, since 2×11006612021² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11006611984 and 11006612002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11006612051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1948361 + ... + 1954001.

It is an arithmetic number, because the mean of its divisors is an integer number (1380281448).

Almost surely, 2^11006612021 is an apocalyptic number.

It is an amenable number.

11006612021 is a deficient number, since it is larger than the sum of its proper divisors (35639563).

11006612021 is an equidigital number, since it uses as much as digits as its factorization.

11006612021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11611.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 11006612021 in words is "eleven billion, six million, six hundred twelve thousand, twenty-one".