11222222010020 has 36 divisors (see below), whose sum is σ = 27414285198300. Its totient is φ = 3847618974528.

The previous prime is 11222222010019. The next prime is 11222222010023. The reversal of 11222222010020 is 2001022222211.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8294618881444 + 2927603128576 = 2880038^2 + 1711024^2 .

It is not an unprimeable number, because it can be changed into a prime (11222222010023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5725622495 + ... + 5725624454.

It is an arithmetic number, because the mean of its divisors is an integer number (761507922175).

Almost surely, 2^{11222222010020} is an apocalyptic number.

11222222010020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11222222010020 is an abundant number, since it is smaller than the sum of its proper divisors (16192063188280).

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

11222222010020 is a wasteful number, since it uses less digits than its factorization.

11222222010020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11451246972 (or 11451246963 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 11222222010020 its reverse (2001022222211), we get a palindrome (13223244232231).

The spelling of 11222222010020 in words is "eleven trillion, two hundred twenty-two billion, two hundred twenty-two million, ten thousand, twenty".