11002221000212 has 48 divisors (see below), whose sum is σ = 21075624604944. Its totient is φ = 4994524800000.

The previous prime is 11002221000187. The next prime is 11002221000223. The reversal of 11002221000212 is 21200012220011.

It can be written as a sum of positive squares in 8 ways, for example, as 3217696914436 + 7784524085776 = 1793794^2 + 2790076^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135787712 + ... + 135868712.

It is an arithmetic number, because the mean of its divisors is an integer number (439075512603).

Almost surely, 2^{11002221000212} is an apocalyptic number.

It is an amenable number.

11002221000212 is a deficient number, since it is larger than the sum of its proper divisors (10073403604732).

11002221000212 is a wasteful number, since it uses less digits than its factorization.

11002221000212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123900 (or 123898 counting only the distinct ones).

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

Adding to 11002221000212 its reverse (21200012220011), we get a palindrome (32202233220223).

The spelling of 11002221000212 in words is "eleven trillion, two billion, two hundred twenty-one million, two hundred twelve", and thus it is an aban number.