221411240153 has 4 divisors (see below), whose sum is σ = 221414110260. Its totient is φ = 221408370048.

The previous prime is 221411240123. The next prime is 221411240213. The reversal of 221411240153 is 351042114122.

It is a happy number.

221411240153 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 31827630409 + 189583609744 = 178403^2 + 435412^2 .

It is a cyclic number.

It is not a de Polignac number, because 221411240153 - 2²⁰ = 221410191577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221411240123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1316048 + ... + 1474721.

It is an arithmetic number, because the mean of its divisors is an integer number (55353527565).

Almost surely, 2^221411240153 is an apocalyptic number.

It is an amenable number.

221411240153 is a deficient number, since it is larger than the sum of its proper divisors (2870107).

221411240153 is an equidigital number, since it uses as much as digits as its factorization.

221411240153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2870106.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 221411240153 its reverse (351042114122), we get a palindrome (572453354275).

The spelling of 221411240153 in words is "two hundred twenty-one billion, four hundred eleven million, two hundred forty thousand, one hundred fifty-three".