11122022122220 has 48 divisors (see below), whose sum is σ = 24592437444960. Its totient is φ = 4213475610624.

The previous prime is 11122022122207. The next prime is 11122022122231. The reversal of 11122022122220 is 2222122022111.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 11122022122192 and 11122022122201.

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, 2762549 + ... + 5465868.

It is an arithmetic number, because the mean of its divisors is an integer number (512342446770).

Almost surely, 2^{11122022122220} is an apocalyptic number.

11122022122220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11122022122220 is an abundant number, since it is smaller than the sum of its proper divisors (13470415322740).

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

11122022122220 is a wasteful number, since it uses less digits than its factorization.

11122022122220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8232002 (or 8232000 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 11122022122220 its reverse (2222122022111), we get a palindrome (13344144144331).

The spelling of 11122022122220 in words is "eleven trillion, one hundred twenty-two billion, twenty-two million, one hundred twenty-two thousand, two hundred twenty".