1301111121011 has 8 divisors (see below), whose sum is σ = 1401263834880. Its totient is φ = 1200968013312.

The previous prime is 1301111121001. The next prime is 1301111121029. The reversal of 1301111121011 is 1101211111031.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1301111121011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1301111121001) 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, 2118995 + ... + 2663148.

It is an arithmetic number, because the mean of its divisors is an integer number (175157979360).

Almost surely, 2^{1301111121011} is an apocalyptic number.

1301111121011 is a deficient number, since it is larger than the sum of its proper divisors (100152713869).

1301111121011 is a wasteful number, since it uses less digits than its factorization.

1301111121011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4803085.

The product of its (nonzero) digits is 6, while the sum is 14.

Adding to 1301111121011 its reverse (1101211111031), we get a palindrome (2402322232042).

The spelling of 1301111121011 in words is "one trillion, three hundred one billion, one hundred eleven million, one hundred twenty-one thousand, eleven".