22123011001 has 16 divisors (see below), whose sum is σ = 27321283584. Its totient is φ = 17444159424.

The previous prime is 22123010993. The next prime is 22123011011. The reversal of 22123011001 is 10011032122.

It is a cyclic number.

It is not a de Polignac number, because 22123011001 - 2³ = 22123010993 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 (22123011011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 388201 + ... + 441526.

It is an arithmetic number, because the mean of its divisors is an integer number (1707580224).

Almost surely, 2^22123011001 is an apocalyptic number.

It is an amenable number.

22123011001 is a deficient number, since it is larger than the sum of its proper divisors (5198272583).

22123011001 is a wasteful number, since it uses less digits than its factorization.

22123011001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830040.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 22123011001 its reverse (10011032122), we get a palindrome (32134043123).

The spelling of 22123011001 in words is "twenty-two billion, one hundred twenty-three million, eleven thousand, one".