221012313033 has 16 divisors (see below), whose sum is σ = 302692582656. Its totient is φ = 143373035520.

The previous prime is 221012313031. The next prime is 221012313037. The reversal of 221012313033 is 330313210122.

It is not a de Polignac number, because 221012313033 - 2¹ = 221012313031 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221012313031) 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, 4505848 + ... + 4554633.

It is an arithmetic number, because the mean of its divisors is an integer number (18918286416).

Almost surely, 2^221012313033 is an apocalyptic number.

It is an amenable number.

221012313033 is a deficient number, since it is larger than the sum of its proper divisors (81680269623).

221012313033 is a wasteful number, since it uses less digits than its factorization.

221012313033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9060704.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 221012313033 its reverse (330313210122), we get a palindrome (551325523155).

The spelling of 221012313033 in words is "two hundred twenty-one billion, twelve million, three hundred thirteen thousand, thirty-three".