221411706520076 has 24 divisors (see below), whose sum is σ = 389613406968240. Its totient is φ = 110093597150400.

The previous prime is 221411706520057. The next prime is 221411706520087. The reversal of 221411706520076 is 670025607114122.

It is a happy number.

221411706520076 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144312755 + ... + 145838933.

It is an arithmetic number, because the mean of its divisors is an integer number (16233891957010).

Almost surely, 2^{221411706520076} is an apocalyptic number.

It is an amenable number.

221411706520076 is a deficient number, since it is larger than the sum of its proper divisors (168201700448164).

221411706520076 is a wasteful number, since it uses less digits than its factorization.

221411706520076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1726745 (or 1726743 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 44.

The spelling of 221411706520076 in words is "two hundred twenty-one trillion, four hundred eleven billion, seven hundred six million, five hundred twenty thousand, seventy-six".