221421434314030 has 64 divisors (see below), whose sum is σ = 399423549634560. Its totient is φ = 88376646758400.

The previous prime is 221421434314007. The next prime is 221421434314081. The reversal of 221421434314030 is 30413434124122.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 38130087387 + ... + 38130093193.

It is an arithmetic number, because the mean of its divisors is an integer number (6240992963040).

Almost surely, 2^{221421434314030} is an apocalyptic number.

221421434314030 is a deficient number, since it is larger than the sum of its proper divisors (178002115320530).

221421434314030 is a wasteful number, since it uses less digits than its factorization.

221421434314030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10705.

The product of its (nonzero) digits is 55296, while the sum is 34.

Adding to 221421434314030 its reverse (30413434124122), we get a palindrome (251834868438152).

The spelling of 221421434314030 in words is "two hundred twenty-one trillion, four hundred twenty-one billion, four hundred thirty-four million, three hundred fourteen thousand, thirty".