1021102022212 has 96 divisors (see below), whose sum is σ = 1926324693216. Its totient is φ = 471905280000.

The previous prime is 1021102022201. The next prime is 1021102022341. The reversal of 1021102022212 is 2122202011201.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 44392804416 + 976709217796 = 210696^2 + 988286^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 537138462 + ... + 537140362.

It is an arithmetic number, because the mean of its divisors is an integer number (20065882221).

Almost surely, 2^{1021102022212} is an apocalyptic number.

It is an amenable number.

1021102022212 is a deficient number, since it is larger than the sum of its proper divisors (905222671004).

1021102022212 is a wasteful number, since it uses less digits than its factorization.

1021102022212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2617 (or 2615 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1021102022212 its reverse (2122202011201), we get a palindrome (3143304033413).

The spelling of 1021102022212 in words is "one trillion, twenty-one billion, one hundred two million, twenty-two thousand, two hundred twelve".