2101311134355 has 64 divisors (see below), whose sum is σ = 3596518195200. Its totient is φ = 1043971332096.

The previous prime is 2101311134353. The next prime is 2101311134399. The reversal of 2101311134355 is 5534311131012.

It is not a de Polignac number, because 2101311134355 - 2¹ = 2101311134353 is a prime.

It is a super-2 number, since 2×2101311134355² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2101311134353) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9730846 + ... + 9944444.

It is an arithmetic number, because the mean of its divisors is an integer number (56195596800).

Almost surely, 2^{2101311134355} is an apocalyptic number.

2101311134355 is a deficient number, since it is larger than the sum of its proper divisors (1495207060845).

2101311134355 is a wasteful number, since it uses less digits than its factorization.

2101311134355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214020.

The product of its (nonzero) digits is 5400, while the sum is 30.

Adding to 2101311134355 its reverse (5534311131012), we get a palindrome (7635622265367).

The spelling of 2101311134355 in words is "two trillion, one hundred one billion, three hundred eleven million, one hundred thirty-four thousand, three hundred fifty-five".