221486435113 has 4 divisors (see below), whose sum is σ = 221493881728. Its totient is φ = 221478988500.

The previous prime is 221486435083. The next prime is 221486435123. The reversal of 221486435113 is 311534684122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 221486435113 - 2¹⁷ = 221486304041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221486435123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3678513 + ... + 3738238.

It is an arithmetic number, because the mean of its divisors is an integer number (55373470432).

Almost surely, 2^221486435113 is an apocalyptic number.

It is an amenable number.

221486435113 is a deficient number, since it is larger than the sum of its proper divisors (7446615).

221486435113 is an equidigital number, since it uses as much as digits as its factorization.

221486435113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7446614.

The product of its digits is 138240, while the sum is 40.

The spelling of 221486435113 in words is "two hundred twenty-one billion, four hundred eighty-six million, four hundred thirty-five thousand, one hundred thirteen".