105561101102 has 16 divisors (see below), whose sum is σ = 159629571072. Its totient is φ = 52352837880.

The previous prime is 105561101039. The next prime is 105561101119. The reversal of 105561101102 is 201101165501.

It is a super-2 number, since 2×105561101102² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265628 + ... + 530735.

It is an arithmetic number, because the mean of its divisors is an integer number (9976848192).

Almost surely, 2^105561101102 is an apocalyptic number.

105561101102 is a deficient number, since it is larger than the sum of its proper divisors (54068469970).

105561101102 is a wasteful number, since it uses less digits than its factorization.

105561101102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796903.

The product of its (nonzero) digits is 300, while the sum is 23.

Adding to 105561101102 its reverse (201101165501), we get a palindrome (306662266603).

The spelling of 105561101102 in words is "one hundred five billion, five hundred sixty-one million, one hundred one thousand, one hundred two".