221422651013126 has 16 divisors (see below), whose sum is σ = 332345984653008. Its totient is φ = 110640669204000.

The previous prime is 221422651013093. The next prime is 221422651013167. The reversal of 221422651013126 is 621310156224122.

221422651013126 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 221422651013126.

It is a congruent number.

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, 30661856 + ... + 37188636.

It is an arithmetic number, because the mean of its divisors is an integer number (20771624040813).

Almost surely, 2^{221422651013126} is an apocalyptic number.

221422651013126 is a deficient number, since it is larger than the sum of its proper divisors (110923333639882).

221422651013126 is a wasteful number, since it uses less digits than its factorization.

221422651013126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6537607.

The product of its (nonzero) digits is 69120, while the sum is 38.

The spelling of 221422651013126 in words is "two hundred twenty-one trillion, four hundred twenty-two billion, six hundred fifty-one million, thirteen thousand, one hundred twenty-six".