105354203122 has 48 divisors (see below), whose sum is σ = 196573502808. Its totient is φ = 42074995200.

The previous prime is 105354203117. The next prime is 105354203137. The reversal of 105354203122 is 221302453501.

It can be written as a sum of positive squares in 4 ways, for example, as 105326860681 + 27342441 = 324541^2 + 5229^2 .

It is a super-2 number, since 2×105354203122² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 144793 + ... + 481324.

Almost surely, 2^105354203122 is an apocalyptic number.

105354203122 is a deficient number, since it is larger than the sum of its proper divisors (91219299686).

105354203122 is a wasteful number, since it uses less digits than its factorization.

105354203122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626251 (or 626244 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 105354203122 its reverse (221302453501), we get a palindrome (326656656623).

The spelling of 105354203122 in words is "one hundred five billion, three hundred fifty-four million, two hundred three thousand, one hundred twenty-two".