102211100011221 has 8 divisors (see below), whose sum is σ = 136376968766304. Its totient is φ = 68092982298480.

The previous prime is 102211100011199. The next prime is 102211100011271. The reversal of 102211100011221 is 122110001112201.

It is a happy number.

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

It is not a de Polignac number, because 102211100011221 - 2²⁵ = 102211066456789 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102211100011221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102211100011271) 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, 11937755590 + ... + 11937764151.

It is an arithmetic number, because the mean of its divisors is an integer number (17047121095788).

Almost surely, 2^{102211100011221} is an apocalyptic number.

It is an amenable number.

102211100011221 is a deficient number, since it is larger than the sum of its proper divisors (34165868755083).

102211100011221 is a wasteful number, since it uses less digits than its factorization.

102211100011221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23875521171.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 102211100011221 its reverse (122110001112201), we get a palindrome (224321101123422).

The spelling of 102211100011221 in words is "one hundred two trillion, two hundred eleven billion, one hundred million, eleven thousand, two hundred twenty-one".