201211322122 has 8 divisors (see below), whose sum is σ = 304637702976. Its totient is φ = 99665421132.

The previous prime is 201211322083. The next prime is 201211322129. The reversal of 201211322122 is 221223112102.

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

It is a self number, because there is not a number n which added to its sum of digits gives 201211322122.

It is not an unprimeable number, because it can be changed into a prime (201211322129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 470119698 + ... + 470120125.

It is an arithmetic number, because the mean of its divisors is an integer number (38079712872).

Almost surely, 2^201211322122 is an apocalyptic number.

201211322122 is a deficient number, since it is larger than the sum of its proper divisors (103426380854).

201211322122 is a wasteful number, since it uses less digits than its factorization.

201211322122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940239932.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 201211322122 its reverse (221223112102), we get a palindrome (422434434224).

The spelling of 201211322122 in words is "two hundred one billion, two hundred eleven million, three hundred twenty-two thousand, one hundred twenty-two".