201211120122112 has 36 divisors (see below), whose sum is σ = 401637434227596. Its totient is φ = 100605265756160.

The previous prime is 201211120122017. The next prime is 201211120122137. The reversal of 201211120122112 is 211221021112102.

It is a happy number.

201211120122112 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 122380587755776 + 78830532366336 = 11062576^2 + 8878656^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 201211120122112.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105999912 + ... + 107881432.

It is an arithmetic number, because the mean of its divisors is an integer number (11156595395211).

Almost surely, 2^{201211120122112} is an apocalyptic number.

It is an amenable number.

201211120122112 is a deficient number, since it is larger than the sum of its proper divisors (200426314105484).

201211120122112 is an equidigital number, since it uses as much as digits as its factorization.

201211120122112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2299274 (or 2299260 counting only the distinct ones).

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

Adding to 201211120122112 its reverse (211221021112102), we get a palindrome (412432141234214).

The spelling of 201211120122112 in words is "two hundred one trillion, two hundred eleven billion, one hundred twenty million, one hundred twenty-two thousand, one hundred twelve".