22101000110201 has 4 divisors (see below), whose sum is σ = 22157815020900. Its totient is φ = 22044185199504.

The previous prime is 22101000110177. The next prime is 22101000110239. The reversal of 22101000110201 is 10201100010122.

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 11263736110201 + 10837264000000 = 3356149^2 + 3292000^2 .

It is a cyclic number.

It is not a de Polignac number, because 22101000110201 - 2³⁴ = 22083820241017 is a prime.

It is a super-2 number, since 2×22101000110201² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22101000110251) 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, 28407454766 + ... + 28407455543.

It is an arithmetic number, because the mean of its divisors is an integer number (5539453755225).

Almost surely, 2^{22101000110201} is an apocalyptic number.

It is an amenable number.

22101000110201 is a deficient number, since it is larger than the sum of its proper divisors (56814910699).

22101000110201 is an equidigital number, since it uses as much as digits as its factorization.

22101000110201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56814910698.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 22101000110201 its reverse (10201100010122), we get a palindrome (32302100120323).

The spelling of 22101000110201 in words is "twenty-two trillion, one hundred one billion, one hundred ten thousand, two hundred one".