221012403533053 has 16 divisors (see below), whose sum is σ = 242866582580160. Its totient is φ = 199451942128000.

The previous prime is 221012403533027. The next prime is 221012403533107. The reversal of 221012403533053 is 350335304210122.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221012403533053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221012403533153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176979243 + ... + 178223671.

It is an arithmetic number, because the mean of its divisors is an integer number (15179161411260).

Almost surely, 2^{221012403533053} is an apocalyptic number.

It is an amenable number.

221012403533053 is a deficient number, since it is larger than the sum of its proper divisors (21854179047107).

221012403533053 is a wasteful number, since it uses less digits than its factorization.

221012403533053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1362428.

The product of its (nonzero) digits is 64800, while the sum is 34.

Adding to 221012403533053 its reverse (350335304210122), we get a palindrome (571347707743175).

The spelling of 221012403533053 in words is "two hundred twenty-one trillion, twelve billion, four hundred three million, five hundred thirty-three thousand, fifty-three".