11011121002021 has 8 divisors (see below), whose sum is σ = 12790435637504. Its totient is φ = 9283380703920.

The previous prime is 11011121002019. The next prime is 11011121002027. The reversal of 11011121002021 is 12020012111011.

It is a happy number.

11011121002021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11011121002021 - 2¹ = 11011121002019 is a prime.

It is a super-2 number, since 2×11011121002021² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11011121001992 and 11011121002010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11011121002027) 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, 12893583885 + ... + 12893584738.

It is an arithmetic number, because the mean of its divisors is an integer number (1598804454688).

Almost surely, 2^{11011121002021} is an apocalyptic number.

It is an amenable number.

11011121002021 is a deficient number, since it is larger than the sum of its proper divisors (1779314635483).

11011121002021 is an equidigital number, since it uses as much as digits as its factorization.

11011121002021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25787168691.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11011121002021 its reverse (12020012111011), we get a palindrome (23031133113032).

The spelling of 11011121002021 in words is "eleven trillion, eleven billion, one hundred twenty-one million, two thousand, twenty-one".