220111011012220 has 48 divisors (see below), whose sum is σ = 472071770110080. Its totient is φ = 86170407358464.

The previous prime is 220111011012203. The next prime is 220111011012223. The reversal of 220111011012220 is 22210110111022.

It is a junction number, because it is equal to n+sod(n) for n = 220111011012194 and 220111011012203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220111011012223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121069276 + ... + 122873884.

It is an arithmetic number, because the mean of its divisors is an integer number (9834828543960).

Almost surely, 2^{220111011012220} is an apocalyptic number.

220111011012220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220111011012220 is an abundant number, since it is smaller than the sum of its proper divisors (251960759097860).

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

220111011012220 is a wasteful number, since it uses less digits than its factorization.

220111011012220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1934422 (or 1934420 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 220111011012220 its reverse (22210110111022), we get a palindrome (242321121123242).

The spelling of 220111011012220 in words is "two hundred twenty trillion, one hundred eleven billion, eleven million, twelve thousand, two hundred twenty".