11110211022021 has 16 divisors (see below), whose sum is σ = 15129138709440. Its totient is φ = 7249712412800.

The previous prime is 11110211022019. The next prime is 11110211022049. The reversal of 11110211022021 is 12022011201111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11110211022021 - 2¹ = 11110211022019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11110211022011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83317080 + ... + 83450321.

It is an arithmetic number, because the mean of its divisors is an integer number (945571169340).

Almost surely, 2^{11110211022021} is an apocalyptic number.

It is an amenable number.

11110211022021 is a deficient number, since it is larger than the sum of its proper divisors (4018927687419).

11110211022021 is a wasteful number, since it uses less digits than its factorization.

11110211022021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166767876.

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

Adding to 11110211022021 its reverse (12022011201111), we get a palindrome (23132222223132).

The spelling of 11110211022021 in words is "eleven trillion, one hundred ten billion, two hundred eleven million, twenty-two thousand, twenty-one".