105221343054355 has 16 divisors (see below), whose sum is σ = 137744542792800. Its totient is φ = 76524480264960.

The previous prime is 105221343054343. The next prime is 105221343054379. The reversal of 105221343054355 is 553450343122501.

It is not a de Polignac number, because 105221343054355 - 2¹³ = 105221343046163 is a prime.

It is a super-2 number, since 2×105221343054355² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39490711 + ... + 42070879.

It is an arithmetic number, because the mean of its divisors is an integer number (8609033924550).

Almost surely, 2^{105221343054355} is an apocalyptic number.

105221343054355 is a deficient number, since it is larger than the sum of its proper divisors (32523199738445).

105221343054355 is a wasteful number, since it uses less digits than its factorization.

105221343054355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3321654.

The product of its (nonzero) digits is 1080000, while the sum is 43.

Adding to 105221343054355 its reverse (553450343122501), we get a palindrome (658671686176856).

The spelling of 105221343054355 in words is "one hundred five trillion, two hundred twenty-one billion, three hundred forty-three million, fifty-four thousand, three hundred fifty-five".