11020202220021 has 64 divisors (see below), whose sum is σ = 16477047475200. Its totient is φ = 6510717674496.

The previous prime is 11020202220017. The next prime is 11020202220043. The reversal of 11020202220021 is 12002220202011.

It is not a de Polignac number, because 11020202220021 - 2² = 11020202220017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020202220061) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 106622650 + ... + 106725956.

It is an arithmetic number, because the mean of its divisors is an integer number (257453866800).

Almost surely, 2^{11020202220021} is an apocalyptic number.

It is an amenable number.

11020202220021 is a deficient number, since it is larger than the sum of its proper divisors (5456845255179).

11020202220021 is a wasteful number, since it uses less digits than its factorization.

11020202220021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104018.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 11020202220021 its reverse (12002220202011), we get a palindrome (23022422422032).

The spelling of 11020202220021 in words is "eleven trillion, twenty billion, two hundred two million, two hundred twenty thousand, twenty-one".