201224113122 has 16 divisors (see below), whose sum is σ = 403328862432. Its totient is φ = 66927931680.

The previous prime is 201224113049. The next prime is 201224113147. The reversal of 201224113122 is 221311422102.

It is a happy number.

It is a super-2 number, since 2×201224113122² (a number of 23 digits) contains 22 as substring.

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, 36690204 + ... + 36695687.

It is an arithmetic number, because the mean of its divisors is an integer number (25208053902).

Almost surely, 2^201224113122 is an apocalyptic number.

201224113122 is an abundant number, since it is smaller than the sum of its proper divisors (202104749310).

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

201224113122 is a wasteful number, since it uses less digits than its factorization.

201224113122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73386353.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 201224113122 its reverse (221311422102), we get a palindrome (422535535224).

The spelling of 201224113122 in words is "two hundred one billion, two hundred twenty-four million, one hundred thirteen thousand, one hundred twenty-two".