2212101120220 has 12 divisors (see below), whose sum is σ = 4645412352504. Its totient is φ = 884840448080.

The previous prime is 2212101120211. The next prime is 2212101120221. The reversal of 2212101120220 is 220211012122.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2212101120194 and 2212101120203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212101120221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55302527986 + ... + 55302528025.

It is an arithmetic number, because the mean of its divisors is an integer number (387117696042).

Almost surely, 2^{2212101120220} is an apocalyptic number.

2212101120220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2212101120220 is an abundant number, since it is smaller than the sum of its proper divisors (2433311232284).

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

2212101120220 is a wasteful number, since it uses less digits than its factorization.

2212101120220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110605056020 (or 110605056018 counting only the distinct ones).

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

Adding to 2212101120220 its reverse (220211012122), we get a palindrome (2432312132342).

The spelling of 2212101120220 in words is "two trillion, two hundred twelve billion, one hundred one million, one hundred twenty thousand, two hundred twenty".