1101111201 has 12 divisors (see below), whose sum is σ = 1594832512. Its totient is φ = 732071736.

The previous prime is 1101111163. The next prime is 1101111203. The reversal of 1101111201 is 1021111011.

It is not a de Polignac number, because 1101111201 - 2⁷ = 1101111073 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1101111203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 163381 + ... + 169986.

Almost surely, 2^1101111201 is an apocalyptic number.

It is an amenable number.

1101111201 is a deficient number, since it is larger than the sum of its proper divisors (493721311).

1101111201 is a wasteful number, since it uses less digits than its factorization.

1101111201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333740 (or 333737 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

The square root of 1101111201 is about 33182.9956604282. The cubic root of 1101111201 is about 1032.6275956572.

Adding to 1101111201 its reverse (1021111011), we get a palindrome (2122222212).

The spelling of 1101111201 in words is "one billion, one hundred one million, one hundred eleven thousand, two hundred one".