201211220222022 has 16 divisors (see below), whose sum is σ = 402525335515392. Its totient is φ = 67053257562120.

The previous prime is 201211220221889. The next prime is 201211220222063. The reversal of 201211220222022 is 220222022112102.

It is a self number, because there is not a number n which added to its sum of digits gives 201211220222022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4287269218 + ... + 4287316149.

It is an arithmetic number, because the mean of its divisors is an integer number (25157833469712).

Almost surely, 2^{201211220222022} is an apocalyptic number.

201211220222022 is an abundant number, since it is smaller than the sum of its proper divisors (201314115293370).

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

201211220222022 is a wasteful number, since it uses less digits than its factorization.

201211220222022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8574589283.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 201211220222022 its reverse (220222022112102), we get a palindrome (421433242334124).

The spelling of 201211220222022 in words is "two hundred one trillion, two hundred eleven billion, two hundred twenty million, two hundred twenty-two thousand, twenty-two".