2101577861101 has 8 divisors (see below), whose sum is σ = 2105338967424. Its totient is φ = 2097817487040.

The previous prime is 2101577861083. The next prime is 2101577861113. The reversal of 2101577861101 is 1011687751012.

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

It is a cyclic number.

It is not a de Polignac number, because 2101577861101 - 2¹⁷ = 2101577730029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101577861171) 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, 5732646 + ... + 6088216.

It is an arithmetic number, because the mean of its divisors is an integer number (263167370928).

Almost surely, 2^{2101577861101} is an apocalyptic number.

It is an amenable number.

2101577861101 is a deficient number, since it is larger than the sum of its proper divisors (3761106323).

2101577861101 is an equidigital number, since it uses as much as digits as its factorization.

2101577861101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366131.

The product of its (nonzero) digits is 23520, while the sum is 40.

The spelling of 2101577861101 in words is "two trillion, one hundred one billion, five hundred seventy-seven million, eight hundred sixty-one thousand, one hundred one".