11220111010012 has 6 divisors (see below), whose sum is σ = 19635194267528. Its totient is φ = 5610055505004.

The previous prime is 11220111010001. The next prime is 11220111010019. The reversal of 11220111010012 is 21001011102211.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11220111009974 and 11220111010001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220111010019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1402513876248 + ... + 1402513876255.

Almost surely, 2^{11220111010012} is an apocalyptic number.

It is an amenable number.

11220111010012 is a deficient number, since it is larger than the sum of its proper divisors (8415083257516).

11220111010012 is a wasteful number, since it uses less digits than its factorization.

11220111010012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2805027752507 (or 2805027752505 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11220111010012 its reverse (21001011102211), we get a palindrome (32221122112223).

The spelling of 11220111010012 in words is "eleven trillion, two hundred twenty billion, one hundred eleven million, ten thousand, twelve".