11220211012 has 48 divisors (see below), whose sum is σ = 20965896000. Its totient is φ = 5245156224.

The previous prime is 11220211007. The next prime is 11220211061. The reversal of 11220211012 is 21011202211.

It is a junction number, because it is equal to n+sod(n) for n = 11220210983 and 11220211001.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 446314 + ... + 470782.

It is an arithmetic number, because the mean of its divisors is an integer number (436789500).

Almost surely, 2^11220211012 is an apocalyptic number.

It is an amenable number.

11220211012 is a deficient number, since it is larger than the sum of its proper divisors (9745684988).

11220211012 is a wasteful number, since it uses less digits than its factorization.

11220211012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24628 (or 24626 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11220211012 its reverse (21011202211), we get a palindrome (32231413223).

The spelling of 11220211012 in words is "eleven billion, two hundred twenty million, two hundred eleven thousand, twelve".