2101311134345 has 32 divisors (see below), whose sum is σ = 2597597251200. Its totient is φ = 1631196112896.

The previous prime is 2101311134339. The next prime is 2101311134353. The reversal of 2101311134345 is 5434311131012.

It is not a de Polignac number, because 2101311134345 - 2¹⁰ = 2101311133321 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10748207 + ... + 10941963.

It is an arithmetic number, because the mean of its divisors is an integer number (81174914100).

Almost surely, 2^{2101311134345} is an apocalyptic number.

It is an amenable number.

2101311134345 is a deficient number, since it is larger than the sum of its proper divisors (496286116855).

2101311134345 is a wasteful number, since it uses less digits than its factorization.

2101311134345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194297.

The product of its (nonzero) digits is 4320, while the sum is 29.

Adding to 2101311134345 its reverse (5434311131012), we get a palindrome (7535622265357).

The spelling of 2101311134345 in words is "two trillion, one hundred one billion, three hundred eleven million, one hundred thirty-four thousand, three hundred forty-five".