16022211121 has 32 divisors (see below), whose sum is σ = 19118243840. Its totient is φ = 13141642176.

The previous prime is 16022211113. The next prime is 16022211133. The reversal of 16022211121 is 12111222061.

It is a cyclic number.

It is not a de Polignac number, because 16022211121 - 2³ = 16022211113 is a prime.

It is a super-2 number, since 2×16022211121² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16022211181) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5789080 + ... + 5791846.

It is an arithmetic number, because the mean of its divisors is an integer number (597445120).

Almost surely, 2^16022211121 is an apocalyptic number.

It is an amenable number.

16022211121 is a deficient number, since it is larger than the sum of its proper divisors (3096032719).

16022211121 is a wasteful number, since it uses less digits than its factorization.

16022211121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3173.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 16022211121 its reverse (12111222061), we get a palindrome (28133433182).

The spelling of 16022211121 in words is "sixteen billion, twenty-two million, two hundred eleven thousand, one hundred twenty-one".