22011012120220 has 12 divisors (see below), whose sum is σ = 46223125452504. Its totient is φ = 8804404848080.

The previous prime is 22011012120157. The next prime is 22011012120221. The reversal of 22011012120220 is 2202121011022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22011012120194 and 22011012120203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22011012120221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 550275302986 + ... + 550275303025.

It is an arithmetic number, because the mean of its divisors is an integer number (3851927121042).

Almost surely, 2^{22011012120220} is an apocalyptic number.

22011012120220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22011012120220 is an abundant number, since it is smaller than the sum of its proper divisors (24212113332284).

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

22011012120220 is a wasteful number, since it uses less digits than its factorization.

22011012120220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100550606020 (or 1100550606018 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22011012120220 its reverse (2202121011022), we get a palindrome (24213133131242).

The spelling of 22011012120220 in words is "twenty-two trillion, eleven billion, twelve million, one hundred twenty thousand, two hundred twenty".