201010111222220 has 48 divisors (see below), whose sum is σ = 440476835984640. Its totient is φ = 76907779033536.

The previous prime is 201010111222199. The next prime is 201010111222223. The reversal of 201010111222220 is 22222111010102.

It is not an unprimeable number, because it can be changed into a prime (201010111222223) 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, 86437871 + ... + 88732889.

It is an arithmetic number, because the mean of its divisors is an integer number (9176600749680).

Almost surely, 2^{201010111222220} is an apocalyptic number.

201010111222220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201010111222220 is an abundant number, since it is smaller than the sum of its proper divisors (239466724762420).

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

201010111222220 is a wasteful number, since it uses less digits than its factorization.

201010111222220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2485454 (or 2485452 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 201010111222220 its reverse (22222111010102), we get a palindrome (223232222232322).

The spelling of 201010111222220 in words is "two hundred one trillion, ten billion, one hundred eleven million, two hundred twenty-two thousand, two hundred twenty".