11002021121212 has 24 divisors (see below), whose sum is σ = 21004217487792. Its totient is φ = 5000833219200.

The previous prime is 11002021121209. The next prime is 11002021121243. The reversal of 11002021121212 is 21212112020011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 503512 + ... + 4717792.

It is an arithmetic number, because the mean of its divisors is an integer number (875175728658).

Almost surely, 2^{11002021121212} is an apocalyptic number.

It is an amenable number.

11002021121212 is a deficient number, since it is larger than the sum of its proper divisors (10002196366580).

11002021121212 is a wasteful number, since it uses less digits than its factorization.

11002021121212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4273629 (or 4273627 counting only the distinct ones).

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

Adding to 11002021121212 its reverse (21212112020011), we get a palindrome (32214133141223).

The spelling of 11002021121212 in words is "eleven trillion, two billion, twenty-one million, one hundred twenty-one thousand, two hundred twelve".