22101011120221 has 16 divisors (see below), whose sum is σ = 24125837401728. Its totient is φ = 20078796283200.

The previous prime is 22101011120219. The next prime is 22101011120231. The reversal of 22101011120221 is 12202111010122.

It is a cyclic number.

It is not a de Polignac number, because 22101011120221 - 2¹ = 22101011120219 is a prime.

It is a super-2 number, since 2×22101011120221² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22101011120195 and 22101011120204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22101011120231) 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, 108357091 + ... + 108560863.

It is an arithmetic number, because the mean of its divisors is an integer number (1507864837608).

Almost surely, 2^{22101011120221} is an apocalyptic number.

It is an amenable number.

22101011120221 is a deficient number, since it is larger than the sum of its proper divisors (2024826281507).

22101011120221 is a wasteful number, since it uses less digits than its factorization.

22101011120221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210132.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 22101011120221 its reverse (12202111010122), we get a palindrome (34303122130343).

The spelling of 22101011120221 in words is "twenty-two trillion, one hundred one billion, eleven million, one hundred twenty thousand, two hundred twenty-one".