61100106111 has 32 divisors (see below), whose sum is σ = 98854387200. Its totient is φ = 36990339840.

The previous prime is 61100106071. The next prime is 61100106127. The reversal of 61100106111 is 11160100116.

It is not a de Polignac number, because 61100106111 - 2¹¹ = 61100104063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61100107111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 165190 + ... + 386636.

It is an arithmetic number, because the mean of its divisors is an integer number (3089199600).

Almost surely, 2^61100106111 is an apocalyptic number.

61100106111 is a deficient number, since it is larger than the sum of its proper divisors (37754281089).

61100106111 is a wasteful number, since it uses less digits than its factorization.

61100106111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222396 (or 222390 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

Adding to 61100106111 its reverse (11160100116), we get a palindrome (72260206227).

The spelling of 61100106111 in words is "sixty-one billion, one hundred million, one hundred six thousand, one hundred eleven".