11110012020021 has 4 divisors (see below), whose sum is σ = 14813349360032. Its totient is φ = 7406674680012.

The previous prime is 11110012020017. The next prime is 11110012020053. The reversal of 11110012020021 is 12002021001111.

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 11110012020021 - 2² = 11110012020017 is a prime.

It is a super-3 number, since 3×11110012020021³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11110012019979 and 11110012020006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11110012020061) 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, 1851668670001 + ... + 1851668670006.

It is an arithmetic number, because the mean of its divisors is an integer number (3703337340008).

Almost surely, 2^{11110012020021} is an apocalyptic number.

It is an amenable number.

11110012020021 is a deficient number, since it is larger than the sum of its proper divisors (3703337340011).

11110012020021 is an equidigital number, since it uses as much as digits as its factorization.

11110012020021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3703337340010.

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

Adding to 11110012020021 its reverse (12002021001111), we get a palindrome (23112033021132).

The spelling of 11110012020021 in words is "eleven trillion, one hundred ten billion, twelve million, twenty thousand, twenty-one".