22011021101101 has 4 divisors (see below), whose sum is σ = 22011414147900. Its totient is φ = 22010628054304.

The previous prime is 22011021101081. The next prime is 22011021101191. The reversal of 22011021101101 is 10110112011022.

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 20110731281001 + 1900289820100 = 4484499^2 + 1378510^2 .

It is a cyclic number.

It is not a de Polignac number, because 22011021101101 - 2⁴³ = 13214928078893 is a prime.

It is a super-2 number, since 2×22011021101101² (a number of 27 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 (22011021101191) 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, 196439386 + ... + 196551403.

It is an arithmetic number, because the mean of its divisors is an integer number (5502853536975).

Almost surely, 2^{22011021101101} is an apocalyptic number.

It is an amenable number.

22011021101101 is a deficient number, since it is larger than the sum of its proper divisors (393046799).

22011021101101 is an equidigital number, since it uses as much as digits as its factorization.

22011021101101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393046798.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 22011021101101 its reverse (10110112011022), we get a palindrome (32121133112123).

The spelling of 22011021101101 in words is "twenty-two trillion, eleven billion, twenty-one million, one hundred one thousand, one hundred one".