221212013333033 has 32 divisors (see below), whose sum is σ = 229401813312000. Its totient is φ = 213218870128000.

The previous prime is 221212013333021. The next prime is 221212013333081. The reversal of 221212013333033 is 330333310212122.

221212013333033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 221212013333033 - 2¹² = 221212013328937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 221212013332987 and 221212013333005.

It is not an unprimeable number, because it can be changed into a prime (221215013333033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 298816538 + ... + 299555916.

It is an arithmetic number, because the mean of its divisors is an integer number (7168806666000).

Almost surely, 2^{221212013333033} is an apocalyptic number.

It is an amenable number.

221212013333033 is a deficient number, since it is larger than the sum of its proper divisors (8189799978967).

221212013333033 is a wasteful number, since it uses less digits than its factorization.

221212013333033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740005.

The product of its (nonzero) digits is 11664, while the sum is 29.

Adding to 221212013333033 its reverse (330333310212122), we get a palindrome (551545323545155).

The spelling of 221212013333033 in words is "two hundred twenty-one trillion, two hundred twelve billion, thirteen million, three hundred thirty-three thousand, thirty-three".