22110001121002 has 24 divisors (see below), whose sum is σ = 33913055393604. Its totient is φ = 10811038313472.

The previous prime is 22110001120997. The next prime is 22110001121009. The reversal of 22110001121002 is 20012110001122.

It can be written as a sum of positive squares in 2 ways, for example, as 22062175367521 + 47825753481 = 4697039^2 + 218691^2 .

It is not an unprimeable number, because it can be changed into a prime (22110001121009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3442218 + ... + 7487914.

Almost surely, 2^{22110001121002} is an apocalyptic number.

22110001121002 is a deficient number, since it is larger than the sum of its proper divisors (11803054272602).

22110001121002 is a wasteful number, since it uses less digits than its factorization.

22110001121002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4047030 (or 4046983 counting only the distinct ones).

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

Adding to 22110001121002 its reverse (20012110001122), we get a palindrome (42122111122124).

The spelling of 22110001121002 in words is "twenty-two trillion, one hundred ten billion, one million, one hundred twenty-one thousand, two".