3128701101011 has 4 divisors (see below), whose sum is σ = 3129236019000. Its totient is φ = 3128166183024.

The previous prime is 3128701100999. The next prime is 3128701101013. The reversal of 3128701101011 is 1101011078213.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3128701101011 - 2³⁴ = 3111521231827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3128701101013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267450221 + ... + 267461918.

It is an arithmetic number, because the mean of its divisors is an integer number (782309004750).

Almost surely, 2^{3128701101011} is an apocalyptic number.

3128701101011 is a deficient number, since it is larger than the sum of its proper divisors (534917989).

3128701101011 is an equidigital number, since it uses as much as digits as its factorization.

3128701101011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534917988.

The product of its (nonzero) digits is 336, while the sum is 26.

Adding to 3128701101011 its reverse (1101011078213), we get a palindrome (4229712179224).

The spelling of 3128701101011 in words is "three trillion, one hundred twenty-eight billion, seven hundred one million, one hundred one thousand, eleven".