1111101201 has 48 divisors (see below), whose sum is σ = 1861516800. Its totient is φ = 625532544.

The previous prime is 1111101149. The next prime is 1111101217. The reversal of 1111101201 is 1021011111.

It is not a de Polignac number, because 1111101201 - 2⁶ = 1111101137 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (1111101221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1640875 + ... + 1641551.

It is an arithmetic number, because the mean of its divisors is an integer number (38781600).

Almost surely, 2^1111101201 is an apocalyptic number.

It is an amenable number.

1111101201 is a deficient number, since it is larger than the sum of its proper divisors (750415599).

1111101201 is a wasteful number, since it uses less digits than its factorization.

1111101201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1038 (or 1035 counting only the distinct ones).

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

The square root of 1111101201 is about 33333.1846813352. The cubic root of 1111101201 is about 1035.7410893402.

Adding to 1111101201 its reverse (1021011111), we get a palindrome (2132112312).

The spelling of 1111101201 in words is "one billion, one hundred eleven million, one hundred one thousand, two hundred one".