201122221210 has 16 divisors (see below), whose sum is σ = 362086267392. Its totient is φ = 80434162000.

The previous prime is 201122221207. The next prime is 201122221243. The reversal of 201122221210 is 12122221102.

It is a happy 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, 1783366 + ... + 1892785.

It is an arithmetic number, because the mean of its divisors is an integer number (22630391712).

Almost surely, 2^201122221210 is an apocalyptic number.

201122221210 is a deficient number, since it is larger than the sum of its proper divisors (160964046182).

201122221210 is a wasteful number, since it uses less digits than its factorization.

201122221210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3681629.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 201122221210 its reverse (12122221102), we get a palindrome (213244442312).

The spelling of 201122221210 in words is "two hundred one billion, one hundred twenty-two million, two hundred twenty-one thousand, two hundred ten".