201020112222 has 32 divisors (see below), whose sum is σ = 413286531072. Its totient is φ = 65135656224.

The previous prime is 201020112221. The next prime is 201020112269. The reversal of 201020112222 is 222211020102.

It is a super-3 number, since 3×201020112222³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201020112221) 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, 175198 + ... + 657825.

It is an arithmetic number, because the mean of its divisors is an integer number (12915204096).

Almost surely, 2^201020112222 is an apocalyptic number.

201020112222 is an abundant number, since it is smaller than the sum of its proper divisors (212266418850).

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

201020112222 is a wasteful number, since it uses less digits than its factorization.

201020112222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834152.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 201020112222 its reverse (222211020102), we get a palindrome (423231132324).

The spelling of 201020112222 in words is "two hundred one billion, twenty million, one hundred twelve thousand, two hundred twenty-two".