221112222022011 has 48 divisors (see below), whose sum is σ = 301585747144032. Its totient is φ = 144093925002240.

The previous prime is 221112222021931. The next prime is 221112222022103. The reversal of 221112222022011 is 110220222211122.

It is not a de Polignac number, because 221112222022011 - 2⁹ = 221112222021499 is a prime.

It is a super-2 number, since 2×221112222022011² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (221112222002011) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4938053455 + ... + 4938098231.

It is an arithmetic number, because the mean of its divisors is an integer number (6283036398834).

Almost surely, 2^{221112222022011} is an apocalyptic number.

221112222022011 is a deficient number, since it is larger than the sum of its proper divisors (80473525122021).

221112222022011 is a wasteful number, since it uses less digits than its factorization.

221112222022011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47632 (or 47571 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 221112222022011 its reverse (110220222211122), we get a palindrome (331332444233133).

The spelling of 221112222022011 in words is "two hundred twenty-one trillion, one hundred twelve billion, two hundred twenty-two million, twenty-two thousand, eleven".