3105221103553 has 8 divisors (see below), whose sum is σ = 3108672275328. Its totient is φ = 3101770527744.

The previous prime is 3105221103511. The next prime is 3105221103557. The reversal of 3105221103553 is 3553011225013.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3105221103553 - 2¹⁷ = 3105220972481 is a prime.

It is a super-2 number, since 2×3105221103553² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3105221103557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10716225 + ... + 11002177.

It is an arithmetic number, because the mean of its divisors is an integer number (388584034416).

Almost surely, 2^{3105221103553} is an apocalyptic number.

It is an amenable number.

3105221103553 is a deficient number, since it is larger than the sum of its proper divisors (3451171775).

3105221103553 is a wasteful number, since it uses less digits than its factorization.

3105221103553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297983.

The product of its (nonzero) digits is 13500, while the sum is 31.

Adding to 3105221103553 its reverse (3553011225013), we get a palindrome (6658232328566).

The spelling of 3105221103553 in words is "three trillion, one hundred five billion, two hundred twenty-one million, one hundred three thousand, five hundred fifty-three".