11021001020212 has 24 divisors (see below), whose sum is σ = 20007251026560. Its totient is φ = 5308046178240.

The previous prime is 11021001020207. The next prime is 11021001020251. The reversal of 11021001020212 is 21202010012011.

It is a junction number, because it is equal to n+sod(n) for n = 11021001020192 and 11021001020201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 425311258 + ... + 425337169.

It is an arithmetic number, because the mean of its divisors is an integer number (833635459440).

Almost surely, 2^{11021001020212} is an apocalyptic number.

It is an amenable number.

11021001020212 is a deficient number, since it is larger than the sum of its proper divisors (8986250006348).

11021001020212 is a wasteful number, since it uses less digits than its factorization.

11021001020212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850648551 (or 850648549 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11021001020212 its reverse (21202010012011), we get a palindrome (32223011032223).

The spelling of 11021001020212 in words is "eleven trillion, twenty-one billion, one million, twenty thousand, two hundred twelve".