1201111106 has 64 divisors (see below), whose sum is σ = 2167361280. Its totient is φ = 493827840.

The previous prime is 1201111091. The next prime is 1201111117. The reversal of 1201111106 is 6011111021.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 692216 + ... + 693948.

It is an arithmetic number, because the mean of its divisors is an integer number (33865020).

Almost surely, 2^1201111106 is an apocalyptic number.

1201111106 is a deficient number, since it is larger than the sum of its proper divisors (966250174).

1201111106 is a wasteful number, since it uses less digits than its factorization.

1201111106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1851.

The product of its (nonzero) digits is 12, while the sum is 14.

The square root of 1201111106 is about 34657.0498744483. The cubic root of 1201111106 is about 1062.9864475380.

Adding to 1201111106 its reverse (6011111021), we get a palindrome (7212222127).

The spelling of 1201111106 in words is "one billion, two hundred one million, one hundred eleven thousand, one hundred six".