221411214357053 has 4 divisors (see below), whose sum is σ = 253041387836640. Its totient is φ = 189781040877468.

The previous prime is 221411214357041. The next prime is 221411214357119. The reversal of 221411214357053 is 350753412114122.

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 221411214357053 - 2¹⁰ = 221411214356029 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 221411214357053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221411214057053) 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, 15815086739783 + ... + 15815086739796.

It is an arithmetic number, because the mean of its divisors is an integer number (63260346959160).

Almost surely, 2^{221411214357053} is an apocalyptic number.

It is an amenable number.

221411214357053 is a deficient number, since it is larger than the sum of its proper divisors (31630173479587).

221411214357053 is an equidigital number, since it uses as much as digits as its factorization.

221411214357053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31630173479586.

The product of its (nonzero) digits is 201600, while the sum is 41.

The spelling of 221411214357053 in words is "two hundred twenty-one trillion, four hundred eleven billion, two hundred fourteen million, three hundred fifty-seven thousand, fifty-three".