1201112021122 has 32 divisors (see below), whose sum is σ = 1972391977584. Its totient is φ = 545181235200.

The previous prime is 1201112021113. The next prime is 1201112021159. The reversal of 1201112021122 is 2211202111021.

It can be written as a sum of positive squares in 8 ways, for example, as 68933027601 + 1132178993521 = 262551^2 + 1064039^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1201112021096 and 1201112021105.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10029018 + ... + 10148074.

Almost surely, 2^{1201112021122} is an apocalyptic number.

1201112021122 is a deficient number, since it is larger than the sum of its proper divisors (771279956462).

1201112021122 is a wasteful number, since it uses less digits than its factorization.

1201112021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125494.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1201112021122 its reverse (2211202111021), we get a palindrome (3412314132143).

The spelling of 1201112021122 in words is "one trillion, two hundred one billion, one hundred twelve million, twenty-one thousand, one hundred twenty-two".