2101028301011 has 4 divisors (see below), whose sum is σ = 2173477552800. Its totient is φ = 2028579049224.

The previous prime is 2101028300981. The next prime is 2101028301013. The reversal of 2101028301011 is 1101038201012.

It is a happy number.

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 2101028301011 - 2¹⁰ = 2101028299987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2101028301013) 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, 36224625851 + ... + 36224625908.

It is an arithmetic number, because the mean of its divisors is an integer number (543369388200).

Almost surely, 2^{2101028301011} is an apocalyptic number.

2101028301011 is a deficient number, since it is larger than the sum of its proper divisors (72449251789).

2101028301011 is an equidigital number, since it uses as much as digits as its factorization.

2101028301011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72449251788.

The product of its (nonzero) digits is 96, while the sum is 20.

Subtracting from 2101028301011 its reverse (1101038201012), we obtain a palindrome (999990099999).

The spelling of 2101028301011 in words is "two trillion, one hundred one billion, twenty-eight million, three hundred one thousand, eleven".