105045124102 has 4 divisors (see below), whose sum is σ = 157567686156. Its totient is φ = 52522562050.

The previous prime is 105045124049. The next prime is 105045124211. The reversal of 105045124102 is 201421540501.

105045124102 is digitally balanced in base 3, 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 an emirpimes, since its reverse is a distinct semiprime: 201421540501 = 4969 ⋅40535629.

It is a super-2 number, since 2×105045124102² (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 as a sum of consecutive naturals, namely, 26261281024 + ... + 26261281027.

It is an arithmetic number, because the mean of its divisors is an integer number (39391921539).

Almost surely, 2^105045124102 is an apocalyptic number.

105045124102 is a deficient number, since it is larger than the sum of its proper divisors (52522562054).

105045124102 is an equidigital number, since it uses as much as digits as its factorization.

105045124102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52522562053.

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 105045124102 its reverse (201421540501), we get a palindrome (306466664603).

The spelling of 105045124102 in words is "one hundred five billion, forty-five million, one hundred twenty-four thousand, one hundred two".