2222012101 has 4 divisors (see below), whose sum is σ = 2227969612. Its totient is φ = 2216054592.

The previous prime is 2222012069. The next prime is 2222012119. The reversal of 2222012101 is 1012102222.

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 483956001 + 1738056100 = 21999^2 + 41690^2 .

It is a cyclic number.

It is not a de Polignac number, because 2222012101 - 2⁵ = 2222012069 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 (2222012131) 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, 2978196 + ... + 2978941.

It is an arithmetic number, because the mean of its divisors is an integer number (556992403).

Almost surely, 2^2222012101 is an apocalyptic number.

It is an amenable number.

2222012101 is a deficient number, since it is larger than the sum of its proper divisors (5957511).

2222012101 is an equidigital number, since it uses as much as digits as its factorization.

2222012101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5957510.

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

The square root of 2222012101 is about 47138.2233543013. The cubic root of 2222012101 is about 1304.9147492545.

Adding to 2222012101 its reverse (1012102222), we get a palindrome (3234114323).

The spelling of 2222012101 in words is "two billion, two hundred twenty-two million, twelve thousand, one hundred one".