11220202012 has 18 divisors (see below), whose sum is σ = 20723187408. Its totient is φ = 5314831848.

The previous prime is 11220202001. The next prime is 11220202057. The reversal of 11220202012 is 21020202211.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11220201983 and 11220202001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3883668 + ... + 3886555.

Almost surely, 2^11220202012 is an apocalyptic number.

It is an amenable number.

11220202012 is a deficient number, since it is larger than the sum of its proper divisors (9502985396).

11220202012 is a wasteful number, since it uses less digits than its factorization.

11220202012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7770265 (or 7770244 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 11220202012 its reverse (21020202211), we get a palindrome (32240404223).

The spelling of 11220202012 in words is "eleven billion, two hundred twenty million, two hundred two thousand, twelve".