201211211122022 has 8 divisors (see below), whose sum is σ = 301827442998456. Its totient is φ = 100602063455872.

The previous prime is 201211211121923. The next prime is 201211211122049. The reversal of 201211211122022 is 220221112112102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 201211211121985 and 201211211122003.

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 3 ways as a sum of consecutive naturals, for example, 1770981563 + ... + 1771095174.

It is an arithmetic number, because the mean of its divisors is an integer number (37728430374807).

Almost surely, 2^{201211211122022} is an apocalyptic number.

201211211122022 is a deficient number, since it is larger than the sum of its proper divisors (100616231876434).

201211211122022 is a wasteful number, since it uses less digits than its factorization.

201211211122022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3542105142.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 201211211122022 its reverse (220221112112102), we get a palindrome (421432323234124).

The spelling of 201211211122022 in words is "two hundred one trillion, two hundred eleven billion, two hundred eleven million, one hundred twenty-two thousand, twenty-two".