22210101121 has 24 divisors (see below), whose sum is σ = 24579073064. Its totient is φ = 19949898240.

The previous prime is 22210101119. The next prime is 22210101131. The reversal of 22210101121 is 12110101222.

It can be written as a sum of positive squares in 4 ways, for example, as 1485331600 + 20724769521 = 38540^2 + 143961^2 .

It is not a de Polignac number, because 22210101121 - 2¹ = 22210101119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (22210101131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5195641 + ... + 5199913.

Almost surely, 2^22210101121 is an apocalyptic number.

It is an amenable number.

22210101121 is a deficient number, since it is larger than the sum of its proper divisors (2368971943).

22210101121 is a wasteful number, since it uses less digits than its factorization.

22210101121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4561 (or 4514 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 22210101121 its reverse (12110101222), we get a palindrome (34320202343).

The spelling of 22210101121 in words is "twenty-two billion, two hundred ten million, one hundred one thousand, one hundred twenty-one".