201131202221122 has 32 divisors (see below), whose sum is σ = 303023703312000. Its totient is φ = 100123774299648.

The previous prime is 201131202221107. The next prime is 201131202221129. The reversal of 201131202221122 is 221122202131102.

201131202221122 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 201131202221093 and 201131202221102.

It is not an unprimeable number, because it can be changed into a prime (201131202221129) 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 15 ways as a sum of consecutive naturals, for example, 6832583788 + ... + 6832613224.

It is an arithmetic number, because the mean of its divisors is an integer number (9469490728500).

Almost surely, 2^{201131202221122} is an apocalyptic number.

201131202221122 is a deficient number, since it is larger than the sum of its proper divisors (101892501090878).

201131202221122 is a wasteful number, since it uses less digits than its factorization.

201131202221122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36970.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 201131202221122 its reverse (221122202131102), we get a palindrome (422253404352224).

The spelling of 201131202221122 in words is "two hundred one trillion, one hundred thirty-one billion, two hundred two million, two hundred twenty-one thousand, one hundred twenty-two".