22222022010101 has 4 divisors (see below), whose sum is σ = 22222072613772. Its totient is φ = 22221971406432.

The previous prime is 22222022010047. The next prime is 22222022010113. The reversal of 22222022010101 is 10101022022222.

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 18548302287076 + 3673719723025 = 4306774^2 + 1916695^2 .

It is a cyclic number.

It is not a de Polignac number, because 22222022010101 - 2⁶ = 22222022010037 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22222022010101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22222022010701) 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, 24637310 + ... + 25523343.

It is an arithmetic number, because the mean of its divisors is an integer number (5555518153443).

Almost surely, 2^{22222022010101} is an apocalyptic number.

It is an amenable number.

22222022010101 is a deficient number, since it is larger than the sum of its proper divisors (50603671).

22222022010101 is an equidigital number, since it uses as much as digits as its factorization.

22222022010101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50603670.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22222022010101 its reverse (10101022022222), we get a palindrome (32323044032323).

The spelling of 22222022010101 in words is "twenty-two trillion, two hundred twenty-two billion, twenty-two million, ten thousand, one hundred one".