220212230133221 has 16 divisors (see below), whose sum is σ = 223905034636800. Its totient is φ = 216522104011200.

The previous prime is 220212230133197. The next prime is 220212230133263. The reversal of 220212230133221 is 122331032212022.

It is a cyclic number.

It is not a de Polignac number, because 220212230133221 - 2⁴⁶ = 149843485955557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220212230133281) 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, 5993945270 + ... + 5993982008.

It is an arithmetic number, because the mean of its divisors is an integer number (13994064664800).

Almost surely, 2^{220212230133221} is an apocalyptic number.

It is an amenable number.

220212230133221 is a deficient number, since it is larger than the sum of its proper divisors (3692804503579).

220212230133221 is a wasteful number, since it uses less digits than its factorization.

220212230133221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70460.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 220212230133221 its reverse (122331032212022), we get a palindrome (342543262345243).

The spelling of 220212230133221 in words is "two hundred twenty trillion, two hundred twelve billion, two hundred thirty million, one hundred thirty-three thousand, two hundred twenty-one".