61110101101 has 4 divisors (see below), whose sum is σ = 69840115552. Its totient is φ = 52380086652.

The previous prime is 61110101089. The next prime is 61110101153. The reversal of 61110101101 is 10110101116.

61110101101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 61110101101 - 2¹⁵ = 61110068333 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 (61110131101) 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, 4365007215 + ... + 4365007228.

It is an arithmetic number, because the mean of its divisors is an integer number (17460028888).

Almost surely, 2^61110101101 is an apocalyptic number.

It is an amenable number.

61110101101 is a deficient number, since it is larger than the sum of its proper divisors (8730014451).

61110101101 is an equidigital number, since it uses as much as digits as its factorization.

61110101101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8730014450.

The product of its (nonzero) digits is 6, while the sum is 13.

Adding to 61110101101 its reverse (10110101116), we get a palindrome (71220202217).

The spelling of 61110101101 in words is "sixty-one billion, one hundred ten million, one hundred one thousand, one hundred one".