11112010021 has 8 divisors (see below), whose sum is σ = 12707210880. Its totient is φ = 9518751888.

The previous prime is 11112009971. The next prime is 11112010031. The reversal of 11112010021 is 12001021111.

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

It is a cyclic number.

It is not a de Polignac number, because 11112010021 - 2⁹ = 11112009509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112010031) 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, 473401 + ... + 496318.

It is an arithmetic number, because the mean of its divisors is an integer number (1588401360).

Almost surely, 2^11112010021 is an apocalyptic number.

It is an amenable number.

11112010021 is a deficient number, since it is larger than the sum of its proper divisors (1595200859).

11112010021 is an equidigital number, since it uses as much as digits as its factorization.

11112010021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971363.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 11112010021 its reverse (12001021111), we get a palindrome (23113031132).

The spelling of 11112010021 in words is "eleven billion, one hundred twelve million, ten thousand, twenty-one".