1201111107 has 8 divisors (see below), whose sum is σ = 1830264576. Its totient is φ = 686349192.

The previous prime is 1201111091. The next prime is 1201111117. The reversal of 1201111107 is 7011111021.

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

It is not a de Polignac number, because 1201111107 - 2⁴ = 1201111091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1201111117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28597863 + ... + 28597904.

It is an arithmetic number, because the mean of its divisors is an integer number (228783072).

Almost surely, 2^1201111107 is an apocalyptic number.

1201111107 is a deficient number, since it is larger than the sum of its proper divisors (629153469).

1201111107 is an equidigital number, since it uses as much as digits as its factorization.

1201111107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57195777.

The product of its (nonzero) digits is 14, while the sum is 15.

The square root of 1201111107 is about 34657.0498888754. The cubic root of 1201111107 is about 1062.9864478330.

Adding to 1201111107 its reverse (7011111021), we get a palindrome (8212222128).

The spelling of 1201111107 in words is "one billion, two hundred one million, one hundred eleven thousand, one hundred seven".