201112121022 has 32 divisors (see below), whose sum is σ = 428114294784. Its totient is φ = 62763657600.

The previous prime is 201112121009. The next prime is 201112121051. The reversal of 201112121022 is 220121211102.

It is a junction number, because it is equal to n+sod(n) for n = 201112120992 and 201112121010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5142004 + ... + 5180967.

It is an arithmetic number, because the mean of its divisors is an integer number (13378571712).

Almost surely, 2^201112121022 is an apocalyptic number.

201112121022 is an abundant number, since it is smaller than the sum of its proper divisors (227002173762).

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

201112121022 is a wasteful number, since it uses less digits than its factorization.

201112121022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10323184.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 201112121022 its reverse (220121211102), we get a palindrome (421233332124).

The spelling of 201112121022 in words is "two hundred one billion, one hundred twelve million, one hundred twenty-one thousand, twenty-two".