11202021212 has 24 divisors (see below), whose sum is σ = 19932734640. Its totient is φ = 5507026560.

The previous prime is 11202021211. The next prime is 11202021227. The reversal of 11202021212 is 21212020211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11202021211) 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, 740864 + ... + 755832.

It is an arithmetic number, because the mean of its divisors is an integer number (830530610).

Almost surely, 2^11202021212 is an apocalyptic number.

It is an amenable number.

11202021212 is a deficient number, since it is larger than the sum of its proper divisors (8730713428).

11202021212 is a wasteful number, since it uses less digits than its factorization.

11202021212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18101 (or 18099 counting only the distinct ones).

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

Adding to 11202021212 its reverse (21212020211), we get a palindrome (32414041423).

The spelling of 11202021212 in words is "eleven billion, two hundred two million, twenty-one thousand, two hundred twelve".