11101112022021 has 64 divisors (see below), whose sum is σ = 17208184320000. Its totient is φ = 6234507417600.

The previous prime is 11101112021969. The next prime is 11101112022031. The reversal of 11101112022021 is 12022021110111.

It is a happy number.

It is not a de Polignac number, because 11101112022021 - 2¹⁰ = 11101112020997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11101112022031) 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, 691176331 + ... + 691192391.

It is an arithmetic number, because the mean of its divisors is an integer number (268877880000).

Almost surely, 2^{11101112022021} is an apocalyptic number.

It is an amenable number.

11101112022021 is a deficient number, since it is larger than the sum of its proper divisors (6107072297979).

11101112022021 is a wasteful number, since it uses less digits than its factorization.

11101112022021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17570.

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

Adding to 11101112022021 its reverse (12022021110111), we get a palindrome (23123133132132).

The spelling of 11101112022021 in words is "eleven trillion, one hundred one billion, one hundred twelve million, twenty-two thousand, twenty-one".