2101031222 has 8 divisors (see below), whose sum is σ = 3159863400. Its totient is φ = 1047743424.

The previous prime is 2101031221. The next prime is 2101031239. The reversal of 2101031222 is 2221301012.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2101031197 and 2101031206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101031221) 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, 1385147 + ... + 1386662.

It is an arithmetic number, because the mean of its divisors is an integer number (394982925).

Almost surely, 2^2101031222 is an apocalyptic number.

2101031222 is a deficient number, since it is larger than the sum of its proper divisors (1058832178).

2101031222 is a wasteful number, since it uses less digits than its factorization.

2101031222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2772190.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2101031222 is about 45837.0071230660. The cubic root of 2101031222 is about 1280.7887436080.

Adding to 2101031222 its reverse (2221301012), we get a palindrome (4322332234).

The spelling of 2101031222 in words is "two billion, one hundred one million, thirty-one thousand, two hundred twenty-two".