221411640711694 has 16 divisors (see below), whose sum is σ = 334123110038160. Its totient is φ = 110037599798400.

The previous prime is 221411640711673. The next prime is 221411640711713. The reversal of 221411640711694 is 496117046114122.

It is a happy number.

221411640711694 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×221411640711694² (a number of 29 digits) contains 22 as substring.

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, 80927232 + ... + 83618419.

It is an arithmetic number, because the mean of its divisors is an integer number (20882694377385).

Almost surely, 2^{221411640711694} is an apocalyptic number.

221411640711694 is a deficient number, since it is larger than the sum of its proper divisors (112711469326466).

221411640711694 is a wasteful number, since it uses less digits than its factorization.

221411640711694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164549715.

The product of its (nonzero) digits is 580608, while the sum is 49.

The spelling of 221411640711694 in words is "two hundred twenty-one trillion, four hundred eleven billion, six hundred forty million, seven hundred eleven thousand, six hundred ninety-four".