1201011110122 has 8 divisors (see below), whose sum is σ = 1801529446500. Its totient is φ = 600501294624.

The previous prime is 1201011110087. The next prime is 1201011110129. The reversal of 1201011110122 is 2210111101021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1148410146321 + 52600963801 = 1071639^2 + 229349^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1201011110129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1765347 + ... + 2349142.

Almost surely, 2^{1201011110122} is an apocalyptic number.

1201011110122 is a deficient number, since it is larger than the sum of its proper divisors (600518336378).

1201011110122 is a wasteful number, since it uses less digits than its factorization.

1201011110122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4260440.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1201011110122 its reverse (2210111101021), we get a palindrome (3411122211143).

The spelling of 1201011110122 in words is "one trillion, two hundred one billion, eleven million, one hundred ten thousand, one hundred twenty-two".