11211002121212 has 6 divisors (see below), whose sum is σ = 19619253712128. Its totient is φ = 5605501060604.

The previous prime is 11211002121169. The next prime is 11211002121229. The reversal of 11211002121212 is 21212120011211.

11211002121212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1401375265148 + ... + 1401375265155.

It is an arithmetic number, because the mean of its divisors is an integer number (3269875618688).

Almost surely, 2^{11211002121212} is an apocalyptic number.

It is an amenable number.

11211002121212 is a deficient number, since it is larger than the sum of its proper divisors (8408251590916).

11211002121212 is a wasteful number, since it uses less digits than its factorization.

11211002121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2802750530307 (or 2802750530305 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11211002121212 its reverse (21212120011211), we get a palindrome (32423122132423).

The spelling of 11211002121212 in words is "eleven trillion, two hundred eleven billion, two million, one hundred twenty-one thousand, two hundred twelve".