11220111010122 has 64 divisors (see below), whose sum is σ = 25893385731840. Its totient is φ = 3174846368256.

The previous prime is 11220111010103. The next prime is 11220111010177. The reversal of 11220111010122 is 22101011102211.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9209748 + ... + 10356624.

It is an arithmetic number, because the mean of its divisors is an integer number (404584152060).

Almost surely, 2^{11220111010122} is an apocalyptic number.

11220111010122 is an abundant number, since it is smaller than the sum of its proper divisors (14673274721718).

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

11220111010122 is a wasteful number, since it uses less digits than its factorization.

11220111010122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149135.

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

Adding to 11220111010122 its reverse (22101011102211), we get a palindrome (33321122112333).

The spelling of 11220111010122 in words is "eleven trillion, two hundred twenty billion, one hundred eleven million, ten thousand, one hundred twenty-two".