102011112201221 has 8 divisors (see below), whose sum is σ = 102365114507040. Its totient is φ = 101657716584912.

The previous prime is 102011112201179. The next prime is 102011112201239. The reversal of 102011112201221 is 122102211110201.

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 102011112201221 - 2¹⁰ = 102011112200197 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 102011112201221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102011112401221) 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, 151335506 + ... + 152008083.

It is an arithmetic number, because the mean of its divisors is an integer number (12795639313380).

Almost surely, 2^{102011112201221} is an apocalyptic number.

It is an amenable number.

102011112201221 is a deficient number, since it is larger than the sum of its proper divisors (354002305819).

102011112201221 is an equidigital number, since it uses as much as digits as its factorization.

102011112201221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303344755.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 102011112201221 its reverse (122102211110201), we get a palindrome (224113323311422).

The spelling of 102011112201221 in words is "one hundred two trillion, eleven billion, one hundred twelve million, two hundred one thousand, two hundred twenty-one".