11002121212 has 24 divisors (see below), whose sum is σ = 19706469552. Its totient is φ = 5371766400.

The previous prime is 11002121167. The next prime is 11002121213. The reversal of 11002121212 is 21212120011.

It is a junction number, because it is equal to n+sod(n) for n = 11002121192 and 11002121201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11002121213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1158162 + ... + 1167622.

It is an arithmetic number, because the mean of its divisors is an integer number (821102898).

Almost surely, 2^11002121212 is an apocalyptic number.

It is an amenable number.

11002121212 is a deficient number, since it is larger than the sum of its proper divisors (8704348340).

11002121212 is a wasteful number, since it uses less digits than its factorization.

11002121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16269 (or 16267 counting only the distinct ones).

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

Adding to 11002121212 its reverse (21212120011), we get a palindrome (32214241223).

The spelling of 11002121212 in words is "eleven billion, two million, one hundred twenty-one thousand, two hundred twelve".