10021122212 has 12 divisors (see below), whose sum is σ = 17824455516. Its totient is φ = 4928420640.

The previous prime is 10021122197. The next prime is 10021122233. The reversal of 10021122212 is 21222112001.

It can be written as a sum of positive squares in 2 ways, for example, as 1829786176 + 8191336036 = 42776^2 + 90506^2 .

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, 20534843 + ... + 20535330.

It is an arithmetic number, because the mean of its divisors is an integer number (1485371293).

Almost surely, 2^10021122212 is an apocalyptic number.

It is an amenable number.

10021122212 is a deficient number, since it is larger than the sum of its proper divisors (7803333304).

10021122212 is a wasteful number, since it uses less digits than its factorization.

10021122212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41070238 (or 41070236 counting only the distinct ones).

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

Adding to 10021122212 its reverse (21222112001), we get a palindrome (31243234213).

The spelling of 10021122212 in words is "ten billion, twenty-one million, one hundred twenty-two thousand, two hundred twelve".