22002201101 has 4 divisors (see below), whose sum is σ = 22020522204. Its totient is φ = 21983880000.

The previous prime is 22002201083. The next prime is 22002201103. The reversal of 22002201101 is 10110220022.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1674855625 + 20327345476 = 40925^2 + 142574^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22002201101 is a prime.

It is a super-2 number, since 2×22002201101² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22002201103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9158750 + ... + 9161151.

It is an arithmetic number, because the mean of its divisors is an integer number (5505130551).

Almost surely, 2^22002201101 is an apocalyptic number.

It is an amenable number.

22002201101 is a deficient number, since it is larger than the sum of its proper divisors (18321103).

22002201101 is a wasteful number, since it uses less digits than its factorization.

22002201101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18321102.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 22002201101 its reverse (10110220022), we get a palindrome (32112421123).

The spelling of 22002201101 in words is "twenty-two billion, two million, two hundred one thousand, one hundred one".