2131100222 has 16 divisors (see below), whose sum is σ = 3273095952. Its totient is φ = 1040350080.

The previous prime is 2131100203. The next prime is 2131100243. The reversal of 2131100222 is 2220011312.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2131100197 and 2131100206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55229 + ... + 85512.

It is an arithmetic number, because the mean of its divisors is an integer number (204568497).

Almost surely, 2^2131100222 is an apocalyptic number.

2131100222 is a deficient number, since it is larger than the sum of its proper divisors (1141995730).

2131100222 is a wasteful number, since it uses less digits than its factorization.

2131100222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140923.

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

The square root of 2131100222 is about 46163.8410663584. The cubic root of 2131100222 is about 1286.8698465533.

Adding to 2131100222 its reverse (2220011312), we get a palindrome (4351111534).

The spelling of 2131100222 in words is "two billion, one hundred thirty-one million, one hundred thousand, two hundred twenty-two".