201122210200220 has 12 divisors (see below), whose sum is σ = 422356641420504. Its totient is φ = 80448884080080.

The previous prime is 201122210200211. The next prime is 201122210200283. The reversal of 201122210200220 is 22002012221102.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5028055254986 + ... + 5028055255025.

It is an arithmetic number, because the mean of its divisors is an integer number (35196386785042).

Almost surely, 2^{201122210200220} is an apocalyptic number.

201122210200220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201122210200220 is an abundant number, since it is smaller than the sum of its proper divisors (221234431220284).

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

201122210200220 is a wasteful number, since it uses less digits than its factorization.

201122210200220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10056110510020 (or 10056110510018 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 201122210200220 its reverse (22002012221102), we get a palindrome (223124222421322).

The spelling of 201122210200220 in words is "two hundred one trillion, one hundred twenty-two billion, two hundred ten million, two hundred thousand, two hundred twenty".