11112020002021 has 8 divisors (see below), whose sum is σ = 11767148152704. Its totient is φ = 10457056286400.

The previous prime is 11112020001931. The next prime is 11112020002049. The reversal of 11112020002021 is 12020002021111.

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 11112020002021 - 2⁷ = 11112020001893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11112020001992 and 11112020002010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112020002621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40969615 + ... + 41239948.

It is an arithmetic number, because the mean of its divisors is an integer number (1470893519088).

Almost surely, 2^{11112020002021} is an apocalyptic number.

It is an amenable number.

11112020002021 is a deficient number, since it is larger than the sum of its proper divisors (655128150683).

11112020002021 is an equidigital number, since it uses as much as digits as its factorization.

11112020002021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82217531.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11112020002021 its reverse (12020002021111), we get a palindrome (23132022023132).

It can be divided in two parts, 111 and 12020002021, that multiplied together give a palindrome (1334220224331).

The spelling of 11112020002021 in words is "eleven trillion, one hundred twelve billion, twenty million, two thousand, twenty-one".