1151211101 has 8 divisors (see below), whose sum is σ = 1167804000. Its totient is φ = 1134736720.

The previous prime is 1151211097. The next prime is 1151211107. The reversal of 1151211101 is 1011121511.

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

It is a cyclic number.

It is not a de Polignac number, because 1151211101 - 2² = 1151211097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151211107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9971 + ... + 49008.

It is an arithmetic number, because the mean of its divisors is an integer number (145975500).

Almost surely, 2^1151211101 is an apocalyptic number.

It is an amenable number.

1151211101 is a deficient number, since it is larger than the sum of its proper divisors (16592899).

1151211101 is a wasteful number, since it uses less digits than its factorization.

1151211101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59259.

The product of its (nonzero) digits is 10, while the sum is 14.

The square root of 1151211101 is about 33929.5019267893. The cubic root of 1151211101 is about 1048.0572090271.

Adding to 1151211101 its reverse (1011121511), we get a palindrome (2162332612).

The spelling of 1151211101 in words is "one billion, one hundred fifty-one million, two hundred eleven thousand, one hundred one".