201211022022 has 16 divisors (see below), whose sum is σ = 402467626800. Its totient is φ = 67062743552.

The previous prime is 201211021997. The next prime is 201211022039. The reversal of 201211022022 is 220220112102.

201211022022 is digitally balanced in base 2, 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 = 201211021992 and 201211022010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1841763 + ... + 1947950.

It is an arithmetic number, because the mean of its divisors is an integer number (25154226675).

Almost surely, 2^201211022022 is an apocalyptic number.

201211022022 is an abundant number, since it is smaller than the sum of its proper divisors (201256604778).

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

201211022022 is a wasteful number, since it uses less digits than its factorization.

201211022022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3798567.

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

Adding to 201211022022 its reverse (220220112102), we get a palindrome (421431134124).

The spelling of 201211022022 in words is "two hundred one billion, two hundred eleven million, twenty-two thousand, twenty-two".