22122121101 has 8 divisors (see below), whose sum is σ = 29497031520. Its totient is φ = 14747645712.

The previous prime is 22122121067. The next prime is 22122121123. The reversal of 22122121101 is 10112122122.

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

It is not a de Polignac number, because 22122121101 - 2⁹ = 22122120589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22122121201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38311 + ... + 213803.

It is an arithmetic number, because the mean of its divisors is an integer number (3687128940).

Almost surely, 2^22122121101 is an apocalyptic number.

It is an amenable number.

22122121101 is a deficient number, since it is larger than the sum of its proper divisors (7374910419).

22122121101 is a wasteful number, since it uses less digits than its factorization.

22122121101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217515.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22122121101 its reverse (10112122122), we get a palindrome (32234243223).

The spelling of 22122121101 in words is "twenty-two billion, one hundred twenty-two million, one hundred twenty-one thousand, one hundred one".