2101100536 has 8 divisors (see below), whose sum is σ = 3939563520. Its totient is φ = 1050550264.

The previous prime is 2101100497. The next prime is 2101100539. The reversal of 2101100536 is 6350011012.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101100539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131318776 + ... + 131318791.

It is an arithmetic number, because the mean of its divisors is an integer number (492445440).

Almost surely, 2^2101100536 is an apocalyptic number.

It is an amenable number.

2101100536 is a deficient number, since it is larger than the sum of its proper divisors (1838462984).

2101100536 is a wasteful number, since it uses less digits than its factorization.

2101100536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262637573 (or 262637569 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 2101100536 is about 45837.7632089525. The cubic root of 2101100536 is about 1280.8028280591.

Adding to 2101100536 its reverse (6350011012), we get a palindrome (8451111548).

The spelling of 2101100536 in words is "two billion, one hundred one million, one hundred thousand, five hundred thirty-six".