1121105151 has 16 divisors (see below), whose sum is σ = 1677345120. Its totient is φ = 740001600.

The previous prime is 1121105099. The next prime is 1121105191. The reversal of 1121105151 is 1515011211.

It is not a de Polignac number, because 1121105151 - 2¹¹ = 1121103103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121105191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 202830 + ... + 208283.

It is an arithmetic number, because the mean of its divisors is an integer number (104834070).

Almost surely, 2^1121105151 is an apocalyptic number.

1121105151 is a deficient number, since it is larger than the sum of its proper divisors (556239969).

1121105151 is a wasteful number, since it uses less digits than its factorization.

1121105151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411223 (or 411217 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 18.

The square root of 1121105151 is about 33482.9083414210. The cubic root of 1121105151 is about 1038.8402848710.

Adding to 1121105151 its reverse (1515011211), we get a palindrome (2636116362).

The spelling of 1121105151 in words is "one billion, one hundred twenty-one million, one hundred five thousand, one hundred fifty-one".