22211221001101 has 16 divisors (see below), whose sum is σ = 24244448030208. Its totient is φ = 20180334913200.

The previous prime is 22211221001069. The next prime is 22211221001107. The reversal of 22211221001101 is 10110012211222.

It is not a de Polignac number, because 22211221001101 - 2⁵ = 22211221001069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22211221001107) 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, 135343186 + ... + 135507196.

It is an arithmetic number, because the mean of its divisors is an integer number (1515278001888).

Almost surely, 2^{22211221001101} is an apocalyptic number.

It is an amenable number.

22211221001101 is a deficient number, since it is larger than the sum of its proper divisors (2033227029107).

22211221001101 is a wasteful number, since it uses less digits than its factorization.

22211221001101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171072.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 22211221001101 its reverse (10110012211222), we get a palindrome (32321233212323).

It can be divided in two parts, 2221122 and 1001101, that added together give a palindrome (3222223).

The spelling of 22211221001101 in words is "twenty-two trillion, two hundred eleven billion, two hundred twenty-one million, one thousand, one hundred one".