11000120002021 has 4 divisors (see below), whose sum is σ = 11048578680672. Its totient is φ = 10951661323372.

The previous prime is 11000120001991. The next prime is 11000120002073. The reversal of 11000120002021 is 12020002100011.

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 a cyclic number.

It is not a de Polignac number, because 11000120002021 - 2²¹ = 11000117904869 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11000120001989 and 11000120002007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11000120102021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24229338985 + ... + 24229339438.

It is an arithmetic number, because the mean of its divisors is an integer number (2762144670168).

Almost surely, 2^{11000120002021} is an apocalyptic number.

It is an amenable number.

11000120002021 is a deficient number, since it is larger than the sum of its proper divisors (48458678651).

11000120002021 is an equidigital number, since it uses as much as digits as its factorization.

11000120002021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48458678650.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 11000120002021 its reverse (12020002100011), we get a palindrome (23020122102032).

The spelling of 11000120002021 in words is "eleven trillion, one hundred twenty million, two thousand, twenty-one".