22211102121 has 32 divisors (see below), whose sum is σ = 32159731968. Its totient is φ = 13554216960.

The previous prime is 22211102113. The next prime is 22211102131. The reversal of 22211102121 is 12120111222.

It is not a de Polignac number, because 22211102121 - 2³ = 22211102113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22211102121.

It is not an unprimeable number, because it can be changed into a prime (22211102131) 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 31 ways as a sum of consecutive naturals, for example, 7302361 + ... + 7305401.

It is an arithmetic number, because the mean of its divisors is an integer number (1004991624).

Almost surely, 2^22211102121 is an apocalyptic number.

It is an amenable number.

22211102121 is a deficient number, since it is larger than the sum of its proper divisors (9948629847).

22211102121 is a wasteful number, since it uses less digits than its factorization.

22211102121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4561.

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

Adding to 22211102121 its reverse (12120111222), we get a palindrome (34331213343).

The spelling of 22211102121 in words is "twenty-two billion, two hundred eleven million, one hundred two thousand, one hundred twenty-one".