11220211011012 has 48 divisors (see below), whose sum is σ = 26267006771712. Its totient is φ = 3727713749760.

The previous prime is 11220211010969. The next prime is 11220211011041. The reversal of 11220211011012 is 21011011202211.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11220211010982 and 11220211011000.

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, 35226733 + ... + 35543819.

It is an arithmetic number, because the mean of its divisors is an integer number (547229307744).

Almost surely, 2^{11220211011012} is an apocalyptic number.

11220211011012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11220211011012 is an abundant number, since it is smaller than the sum of its proper divisors (15046795760700).

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

11220211011012 is a wasteful number, since it uses less digits than its factorization.

11220211011012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326828 (or 326826 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11220211011012 its reverse (21011011202211), we get a palindrome (32231222213223).

The spelling of 11220211011012 in words is "eleven trillion, two hundred twenty billion, two hundred eleven million, eleven thousand, twelve".