11021021012212 has 12 divisors (see below), whose sum is σ = 19393343605636. Its totient is φ = 5480065696320.

The previous prime is 11021021012207. The next prime is 11021021012273. The reversal of 11021021012212 is 21221012012011.

It can be written as a sum of positive squares in 2 ways, for example, as 2686275108196 + 8334745904016 = 1638986^2 + 2886996^2 .

It is a congruent number.

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, 7611201633 + ... + 7611203080.

Almost surely, 2^{11021021012212} is an apocalyptic number.

It is an amenable number.

11021021012212 is a deficient number, since it is larger than the sum of its proper divisors (8372322593424).

11021021012212 is a wasteful number, since it uses less digits than its factorization.

11021021012212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15222404898 (or 15222404896 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11021021012212 its reverse (21221012012011), we get a palindrome (32242033024223).

The spelling of 11021021012212 in words is "eleven trillion, twenty-one billion, twenty-one million, twelve thousand, two hundred twelve".