10220211201221 has 8 divisors (see below), whose sum is σ = 11735597968704. Its totient is φ = 8718663582720.

The previous prime is 10220211201197. The next prime is 10220211201229. The reversal of 10220211201221 is 12210211202201.

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

It is not a de Polignac number, because 10220211201221 - 2¹⁰ = 10220211200197 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10220211201221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10220211201229) 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, 3459785660 + ... + 3459788613.

It is an arithmetic number, because the mean of its divisors is an integer number (1466949746088).

Almost surely, 2^{10220211201221} is an apocalyptic number.

It is an amenable number.

10220211201221 is a deficient number, since it is larger than the sum of its proper divisors (1515386767483).

10220211201221 is an equidigital number, since it uses as much as digits as its factorization.

10220211201221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6919574491.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 10220211201221 its reverse (12210211202201), we get a palindrome (22430422403422).

The spelling of 10220211201221 in words is "ten trillion, two hundred twenty billion, two hundred eleven million, two hundred one thousand, two hundred twenty-one".