11001221012212 has 12 divisors (see below), whose sum is σ = 19390641353440. Its totient is φ = 5461037768376.

The previous prime is 11001221012183. The next prime is 11001221012293. The reversal of 11001221012212 is 21221012210011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9893183808 + ... + 9893184919.

Almost surely, 2^{11001221012212} is an apocalyptic number.

It is an amenable number.

11001221012212 is a deficient number, since it is larger than the sum of its proper divisors (8389420341228).

11001221012212 is a wasteful number, since it uses less digits than its factorization.

11001221012212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19786368870 (or 19786368868 counting only the distinct ones).

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

Adding to 11001221012212 its reverse (21221012210011), we get a palindrome (32222233222223).

The spelling of 11001221012212 in words is "eleven trillion, one billion, two hundred twenty-one million, twelve thousand, two hundred twelve".