220213012211221 has 8 divisors (see below), whose sum is σ = 221896290103488. Its totient is φ = 218529768600000.

The previous prime is 220213012211191. The next prime is 220213012211263. The reversal of 220213012211221 is 122112210312022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 220213012211221 - 2²⁹ = 220212475340309 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220213012211192 and 220213012211201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220213019211221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4401096 + ... + 21442846.

It is an arithmetic number, because the mean of its divisors is an integer number (27737036262936).

Almost surely, 2^{220213012211221} is an apocalyptic number.

It is an amenable number.

220213012211221 is a deficient number, since it is larger than the sum of its proper divisors (1683277892267).

220213012211221 is a wasteful number, since it uses less digits than its factorization.

220213012211221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17140523.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 220213012211221 its reverse (122112210312022), we get a palindrome (342325222523243).

The spelling of 220213012211221 in words is "two hundred twenty trillion, two hundred thirteen billion, twelve million, two hundred eleven thousand, two hundred twenty-one".