102211200001221 has 8 divisors (see below), whose sum is σ = 136320349404384. Its totient is φ = 68121425299440.

The previous prime is 102211200001133. The next prime is 102211200001259. The reversal of 102211200001221 is 122100002112201.

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

It is not a de Polignac number, because 102211200001221 - 2¹⁵ = 102211199968453 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102211200001221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102211200001121) 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, 4843663035 + ... + 4843684136.

It is an arithmetic number, because the mean of its divisors is an integer number (17040043675548).

Almost surely, 2^{102211200001221} is an apocalyptic number.

It is an amenable number.

102211200001221 is a deficient number, since it is larger than the sum of its proper divisors (34109149403163).

102211200001221 is an equidigital number, since it uses as much as digits as its factorization.

102211200001221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9687350691.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 102211200001221 its reverse (122100002112201), we get a palindrome (224311202113422).

The spelling of 102211200001221 in words is "one hundred two trillion, two hundred eleven billion, two hundred million, one thousand, two hundred twenty-one".