22211212101 has 16 divisors (see below), whose sum is σ = 31900725696. Its totient is φ = 13665136896.

The previous prime is 22211212081. The next prime is 22211212123. The reversal of 22211212101 is 10121211222.

It is not a de Polignac number, because 22211212101 - 2¹⁷ = 22211081029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22211212141) 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 15 ways as a sum of consecutive naturals, for example, 100006 + ... + 233288.

It is an arithmetic number, because the mean of its divisors is an integer number (1993795356).

Almost surely, 2^22211212101 is an apocalyptic number.

It is an amenable number.

22211212101 is a deficient number, since it is larger than the sum of its proper divisors (9689513595).

22211212101 is a wasteful number, since it uses less digits than its factorization.

22211212101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137572.

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

Adding to 22211212101 its reverse (10121211222), we get a palindrome (32332423323).

It can be divided in two parts, 2221121 and 2101, that added together give a palindrome (2223222).

The spelling of 22211212101 in words is "twenty-two billion, two hundred eleven million, two hundred twelve thousand, one hundred one".