212110100222210 has 16 divisors (see below), whose sum is σ = 381817080727992. Its totient is φ = 84839840016000.

The previous prime is 212110100222131. The next prime is 212110100222219. The reversal of 212110100222210 is 12222001011212.

It can be written as a sum of positive squares in 4 ways, for example, as 95709456500641 + 116400643721569 = 9783121^2 + 10788913^2 .

It is not an unprimeable number, because it can be changed into a prime (212110100222219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 524797001 + ... + 525201020.

Almost surely, 2^{212110100222210} is an apocalyptic number.

212110100222210 is a deficient number, since it is larger than the sum of its proper divisors (169706980505782).

212110100222210 is a wasteful number, since it uses less digits than its factorization.

212110100222210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1050018229.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 212110100222210 its reverse (12222001011212), we get a palindrome (224332101233422).

The spelling of 212110100222210 in words is "two hundred twelve trillion, one hundred ten billion, one hundred million, two hundred twenty-two thousand, two hundred ten".