1201211122 has 16 divisors (see below), whose sum is σ = 1897552800. Its totient is φ = 568723680.

The previous prime is 1201211119. The next prime is 1201211147. The reversal of 1201211122 is 2211121021.

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, 89529 + ... + 102067.

It is an arithmetic number, because the mean of its divisors is an integer number (118597050).

Almost surely, 2^1201211122 is an apocalyptic number.

1201211122 is a deficient number, since it is larger than the sum of its proper divisors (696341678).

1201211122 is a wasteful number, since it uses less digits than its factorization.

1201211122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15081.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 1201211122 is about 34658.4927831549. The cubic root of 1201211122 is about 1063.0159515257.

Adding to 1201211122 its reverse (2211121021), we get a palindrome (3412332143).

The spelling of 1201211122 in words is "one billion, two hundred one million, two hundred eleven thousand, one hundred twenty-two".