11020110202021 has 4 divisors (see below), whose sum is σ = 11020452569344. Its totient is φ = 11019767834700.

The previous prime is 11020110201967. The next prime is 11020110202043. The reversal of 11020110202021 is 12020201102011.

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 11020110202021 - 2³⁷ = 10882671248549 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11020110201992 and 11020110202010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020110202061) 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, 171135375 + ... + 171199756.

It is an arithmetic number, because the mean of its divisors is an integer number (2755113142336).

Almost surely, 2^{11020110202021} is an apocalyptic number.

It is an amenable number.

11020110202021 is a deficient number, since it is larger than the sum of its proper divisors (342367323).

11020110202021 is an equidigital number, since it uses as much as digits as its factorization.

11020110202021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342367322.

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

Adding to 11020110202021 its reverse (12020201102011), we get a palindrome (23040311304032).

The spelling of 11020110202021 in words is "eleven trillion, twenty billion, one hundred ten million, two hundred two thousand, twenty-one".