10221002212 has 6 divisors (see below), whose sum is σ = 17886753878. Its totient is φ = 5110501104.

The previous prime is 10221002173. The next prime is 10221002227. The reversal of 10221002212 is 21220012201.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 8416961536 + 1804040676 = 91744^2 + 42474^2 .

It is a super-3 number, since 3×10221002212³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10221002192 and 10221002201.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1277625273 + ... + 1277625280.

Almost surely, 2^10221002212 is an apocalyptic number.

It is an amenable number.

10221002212 is a deficient number, since it is larger than the sum of its proper divisors (7665751666).

10221002212 is a wasteful number, since it uses less digits than its factorization.

10221002212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2555250557 (or 2555250555 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 10221002212 its reverse (21220012201), we get a palindrome (31441014413).

The spelling of 10221002212 in words is "ten billion, two hundred twenty-one million, two thousand, two hundred twelve".