11000001021212 has 24 divisors (see below), whose sum is σ = 22001753084640. Its totient is φ = 4713910928640.

The previous prime is 11000001021181. The next prime is 11000001021223. The reversal of 11000001021212 is 21212010000011.

It is a junction number, because it is equal to n+sod(n) for n = 11000001021193 and 11000001021202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15276089 + ... + 15979952.

It is an arithmetic number, because the mean of its divisors is an integer number (916739711860).

Almost surely, 2^{11000001021212} is an apocalyptic number.

It is an amenable number.

11000001021212 is an abundant number, since it is smaller than the sum of its proper divisors (11001752063428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11000001021212 is a wasteful number, since it uses less digits than its factorization.

11000001021212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31268621 (or 31268619 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11000001021212 its reverse (21212010000011), we get a palindrome (32212011021223).

It can be divided in two parts, 1100000 and 1021212, that added together give a palindrome (2121212).

The spelling of 11000001021212 in words is "eleven trillion, one million, twenty-one thousand, two hundred twelve".