221421412035 has 24 divisors (see below), whose sum is σ = 384112572480. Its totient is φ = 117994355712.

The previous prime is 221421412033. The next prime is 221421412049. The reversal of 221421412035 is 530214124122.

221421412035 is a `hidden beast` number, since 2 + 214 + 2 + 1 + 412 + 0 + 35 = 666.

It is not a de Polignac number, because 221421412035 - 2¹ = 221421412033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221421412033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1966795 + ... + 2076324.

It is an arithmetic number, because the mean of its divisors is an integer number (16004690520).

Almost surely, 2^221421412035 is an apocalyptic number.

221421412035 is a deficient number, since it is larger than the sum of its proper divisors (162691160445).

221421412035 is a wasteful number, since it uses less digits than its factorization.

221421412035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4044347 (or 4044344 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 221421412035 its reverse (530214124122), we get a palindrome (751635536157).

The spelling of 221421412035 in words is "two hundred twenty-one billion, four hundred twenty-one million, four hundred twelve thousand, thirty-five".