11202022021220 has 48 divisors (see below), whose sum is σ = 24771514272960. Its totient is φ = 4243408228224.

The previous prime is 11202022021219. The next prime is 11202022021283. The reversal of 11202022021220 is 2212022020211.

It is a happy number.

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, 4416299 + ... + 6473618.

It is an arithmetic number, because the mean of its divisors is an integer number (516073214020).

Almost surely, 2^{11202022021220} is an apocalyptic number.

11202022021220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11202022021220 is an abundant number, since it is smaller than the sum of its proper divisors (13569492251740).

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

11202022021220 is a wasteful number, since it uses less digits than its factorization.

11202022021220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10892652 (or 10892650 counting only the distinct ones).

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

Adding to 11202022021220 its reverse (2212022020211), we get a palindrome (13414044041431).

The spelling of 11202022021220 in words is "eleven trillion, two hundred two billion, twenty-two million, twenty-one thousand, two hundred twenty".