11020211211021 has 8 divisors (see below), whose sum is σ = 14755094509440. Its totient is φ = 7316067693312.

The previous prime is 11020211211017. The next prime is 11020211211043. The reversal of 11020211211021 is 12011211202011.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11020211211021 - 2² = 11020211211017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020211211221) 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, 7684944340 + ... + 7684945773.

It is an arithmetic number, because the mean of its divisors is an integer number (1844386813680).

Almost surely, 2^{11020211211021} is an apocalyptic number.

It is an amenable number.

11020211211021 is a deficient number, since it is larger than the sum of its proper divisors (3734883298419).

11020211211021 is a wasteful number, since it uses less digits than its factorization.

11020211211021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15369890355.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11020211211021 its reverse (12011211202011), we get a palindrome (23031422413032).

The spelling of 11020211211021 in words is "eleven trillion, twenty billion, two hundred eleven million, two hundred eleven thousand, twenty-one".