222131212010 has 8 divisors (see below), whose sum is σ = 399836181636. Its totient is φ = 88852484800.

The previous prime is 222131211997. The next prime is 222131212021. The reversal of 222131212010 is 10212131222.

It can be written as a sum of positive squares in 2 ways, for example, as 201905536921 + 20225675089 = 449339^2 + 142217^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 222131212010.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11106560591 + ... + 11106560610.

Almost surely, 2^222131212010 is an apocalyptic number.

222131212010 is a deficient number, since it is larger than the sum of its proper divisors (177704969626).

222131212010 is a wasteful number, since it uses less digits than its factorization.

222131212010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22213121208.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 222131212010 its reverse (10212131222), we get a palindrome (232343343232).

It can be divided in two parts, 2221312 and 12010, that added together give a palindrome (2233322).

The spelling of 222131212010 in words is "two hundred twenty-two billion, one hundred thirty-one million, two hundred twelve thousand, ten".