201200221222002 has 24 divisors (see below), whose sum is σ = 461576978098236. Its totient is φ = 63121638030336.

The previous prime is 201200221221971. The next prime is 201200221222057. The reversal of 201200221222002 is 200222122002102.

201200221222002 is a `hidden beast` number, since 20 + 1 + 200 + 221 + 2 + 220 + 0 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 191675967294681 + 9524253927321 = 13844709^2 + 3086139^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 328758531103 + ... + 328758531714.

Almost surely, 2^{201200221222002} is an apocalyptic number.

201200221222002 is an abundant number, since it is smaller than the sum of its proper divisors (260376756876234).

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

201200221222002 is a wasteful number, since it uses less digits than its factorization.

201200221222002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657517062842 (or 657517062839 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 201200221222002 its reverse (200222122002102), we get a palindrome (401422343224104).

The spelling of 201200221222002 in words is "two hundred one trillion, two hundred billion, two hundred twenty-one million, two hundred twenty-two thousand, two".