221201041430 has 16 divisors (see below), whose sum is σ = 399827828160. Its totient is φ = 88110204672.

The previous prime is 221201041417. The next prime is 221201041447. The reversal of 221201041430 is 34140102122.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46273979 + ... + 46278758.

It is an arithmetic number, because the mean of its divisors is an integer number (24989239260).

Almost surely, 2^221201041430 is an apocalyptic number.

221201041430 is a deficient number, since it is larger than the sum of its proper divisors (178626786730).

221201041430 is a wasteful number, since it uses less digits than its factorization.

221201041430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92552983.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 221201041430 its reverse (34140102122), we get a palindrome (255341143552).

The spelling of 221201041430 in words is "two hundred twenty-one billion, two hundred one million, forty-one thousand, four hundred thirty".