1121121141305 has 8 divisors (see below), whose sum is σ = 1467649494144. Its totient is φ = 815360830000.

The previous prime is 1121121141299. The next prime is 1121121141307. The reversal of 1121121141305 is 5031411211211.

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

It is a de Polignac number, because none of the positive numbers 2^k-1121121141305 is a prime.

It is a super-2 number, since 2×1121121141305² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121121141307) 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, 10192010321 + ... + 10192010430.

It is an arithmetic number, because the mean of its divisors is an integer number (183456186768).

Almost surely, 2^{1121121141305} is an apocalyptic number.

It is an amenable number.

1121121141305 is a deficient number, since it is larger than the sum of its proper divisors (346528352839).

1121121141305 is a wasteful number, since it uses less digits than its factorization.

1121121141305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20384020767.

The product of its (nonzero) digits is 240, while the sum is 23.

Adding to 1121121141305 its reverse (5031411211211), we get a palindrome (6152532352516).

The spelling of 1121121141305 in words is "one trillion, one hundred twenty-one billion, one hundred twenty-one million, one hundred forty-one thousand, three hundred five".