221214411042 has 16 divisors (see below), whose sum is σ = 454386358272. Its totient is φ = 71745214320.

The previous prime is 221214411017. The next prime is 221214411053. The reversal of 221214411042 is 240114412122.

It is a happy 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, 498230434 + ... + 498230877.

It is an arithmetic number, because the mean of its divisors is an integer number (28399147392).

Almost surely, 2^221214411042 is an apocalyptic number.

221214411042 is an abundant number, since it is smaller than the sum of its proper divisors (233171947230).

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

221214411042 is a wasteful number, since it uses less digits than its factorization.

221214411042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996461353.

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 221214411042 its reverse (240114412122), we get a palindrome (461328823164).

The spelling of 221214411042 in words is "two hundred twenty-one billion, two hundred fourteen million, four hundred eleven thousand, forty-two".