11212221011002 has 48 divisors (see below), whose sum is σ = 19089153248256. Its totient is φ = 4930367349600.

The previous prime is 11212221010993. The next prime is 11212221011009. The reversal of 11212221011002 is 20011012221211.

It is a super-4 number, since 4×11212221011002⁴ (a number of 53 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (11212221011009) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21703048 + ... + 22213660.

It is an arithmetic number, because the mean of its divisors is an integer number (397690692672).

Almost surely, 2^{11212221011002} is an apocalyptic number.

11212221011002 is a deficient number, since it is larger than the sum of its proper divisors (7876932237254).

11212221011002 is a wasteful number, since it uses less digits than its factorization.

11212221011002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513595 (or 513584 counting only the distinct ones).

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

Adding to 11212221011002 its reverse (20011012221211), we get a palindrome (31223233232213).

The spelling of 11212221011002 in words is "eleven trillion, two hundred twelve billion, two hundred twenty-one million, eleven thousand, two".