5421212665110 has 96 divisors (see below), whose sum is σ = 15377765614848. Its totient is φ = 1314127805760.

The previous prime is 5421212665093. The next prime is 5421212665111. The reversal of 5421212665110 is 115662121245.

5421212665110 is a `hidden beast` number, since 5 + 4 + 2 + 12 + 126 + 6 + 511 + 0 = 666.

It is a super-2 number, since 2×5421212665110² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5421212665111) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12481249 + ... + 12908291.

It is an arithmetic number, because the mean of its divisors is an integer number (160185058488).

Almost surely, 2^{5421212665110} is an apocalyptic number.

5421212665110 is an abundant number, since it is smaller than the sum of its proper divisors (9956552949738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5421212665110 is a wasteful number, since it uses less digits than its factorization.

5421212665110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439890 (or 439887 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

Adding to 5421212665110 its reverse (115662121245), we get a palindrome (5536874786355).

The spelling of 5421212665110 in words is "five trillion, four hundred twenty-one billion, two hundred twelve million, six hundred sixty-five thousand, one hundred ten".