10212221210 has 16 divisors (see below), whose sum is σ = 18384705000. Its totient is φ = 4084286976.

The previous prime is 10212221209. The next prime is 10212221233. The reversal of 10212221210 is 1212221201.

It can be written as a sum of positive squares in 4 ways, for example, as 8357799241 + 1854421969 = 91421^2 + 43063^2 .

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, 335 + ... + 142914.

Almost surely, 2^10212221210 is an apocalyptic number.

10212221210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10212221210 is a deficient number, since it is larger than the sum of its proper divisors (8172483790).

10212221210 is a wasteful number, since it uses less digits than its factorization.

10212221210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150385.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 10212221210 its reverse (1212221201), we get a palindrome (11424442411).

Subtracting from 10212221210 its reverse (1212221201), we obtain a palindrome (9000000009).

The spelling of 10212221210 in words is "ten billion, two hundred twelve million, two hundred twenty-one thousand, two hundred ten".