201212112111022 has 16 divisors (see below), whose sum is σ = 336391766378640. Its totient is φ = 89704471033728.

The previous prime is 201212112111013. The next prime is 201212112111029. The reversal of 201212112111022 is 220111211212102.

It is a happy number.

201212112111022 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201212112111029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155736928233 + ... + 155736929524.

It is an arithmetic number, because the mean of its divisors is an integer number (21024485398665).

Almost surely, 2^{201212112111022} is an apocalyptic number.

201212112111022 is a deficient number, since it is larger than the sum of its proper divisors (135179654267618).

201212112111022 is a wasteful number, since it uses less digits than its factorization.

201212112111022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311473857795.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 201212112111022 its reverse (220111211212102), we get a palindrome (421323323323124).

The spelling of 201212112111022 in words is "two hundred one trillion, two hundred twelve billion, one hundred twelve million, one hundred eleven thousand, twenty-two".