22210220101 has 4 divisors (see below), whose sum is σ = 22252850604. Its totient is φ = 22167589600.

The previous prime is 22210220099. The next prime is 22210220113. The reversal of 22210220101 is 10102201222.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10102201222 = 2 ⋅5051100611.

It can be written as a sum of positive squares in 2 ways, for example, as 11053368225 + 11156851876 = 105135^2 + 105626^2 .

It is a cyclic number.

It is not a de Polignac number, because 22210220101 - 2¹ = 22210220099 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 (22210220161) 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, 21314470 + ... + 21315511.

It is an arithmetic number, because the mean of its divisors is an integer number (5563212651).

Almost surely, 2^22210220101 is an apocalyptic number.

It is an amenable number.

22210220101 is a deficient number, since it is larger than the sum of its proper divisors (42630503).

22210220101 is an equidigital number, since it uses as much as digits as its factorization.

22210220101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42630502.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22210220101 its reverse (10102201222), we get a palindrome (32312421323).

The spelling of 22210220101 in words is "twenty-two billion, two hundred ten million, two hundred twenty thousand, one hundred one".