221411707025142 has 16 divisors (see below), whose sum is σ = 446203745456832. Its totient is φ = 73240513773960.

The previous prime is 221411707025101. The next prime is 221411707025167. The reversal of 221411707025142 is 241520707114122.

It is a self number, because there is not a number n which added to its sum of digits gives 221411707025142.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140847141088 + ... + 140847142659.

It is an arithmetic number, because the mean of its divisors is an integer number (27887734091052).

Almost surely, 2^{221411707025142} is an apocalyptic number.

221411707025142 is an abundant number, since it is smaller than the sum of its proper divisors (224792038431690).

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

221411707025142 is a wasteful number, since it uses less digits than its factorization.

221411707025142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281694283883.

The product of its (nonzero) digits is 62720, while the sum is 39.

The spelling of 221411707025142 in words is "two hundred twenty-one trillion, four hundred eleven billion, seven hundred seven million, twenty-five thousand, one hundred forty-two".