201220201000222 has 16 divisors (see below), whose sum is σ = 315176887896480. Its totient is φ = 96167447529472.

The previous prime is 201220201000171. The next prime is 201220201000223. The reversal of 201220201000222 is 222000102022102.

It is a junction number, because it is equal to n+sod(n) for n = 201220201000196 and 201220201000205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201220201000223) 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 7 ways as a sum of consecutive naturals, for example, 1552224823 + ... + 1552354450.

It is an arithmetic number, because the mean of its divisors is an integer number (19698555493530).

Almost surely, 2^{201220201000222} is an apocalyptic number.

201220201000222 is a deficient number, since it is larger than the sum of its proper divisors (113956686896258).

201220201000222 is a wasteful number, since it uses less digits than its factorization.

201220201000222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3104580707.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 201220201000222 its reverse (222000102022102), we get a palindrome (423220303022324).

The spelling of 201220201000222 in words is "two hundred one trillion, two hundred twenty billion, two hundred one million, two hundred twenty-two", and thus it is an aban number.