11120021021001 has 4 divisors (see below), whose sum is σ = 14826694694672. Its totient is φ = 7413347347332.

The previous prime is 11120021020973. The next prime is 11120021021107. The reversal of 11120021021001 is 10012012002111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 11120021021001 - 2⁶ = 11120021020937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11120021021401) 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 3 ways as a sum of consecutive naturals, for example, 1853336836831 + ... + 1853336836836.

It is an arithmetic number, because the mean of its divisors is an integer number (3706673673668).

Almost surely, 2^{11120021021001} is an apocalyptic number.

It is an amenable number.

11120021021001 is a deficient number, since it is larger than the sum of its proper divisors (3706673673671).

11120021021001 is an equidigital number, since it uses as much as digits as its factorization.

11120021021001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3706673673670.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11120021021001 its reverse (10012012002111), we get a palindrome (21132033023112).

The spelling of 11120021021001 in words is "eleven trillion, one hundred twenty billion, twenty-one million, twenty-one thousand, one".