102111201002221 has 8 divisors (see below), whose sum is σ = 108549687362400. Its totient is φ = 95779135904400.

The previous prime is 102111201002147. The next prime is 102111201002227. The reversal of 102111201002221 is 122200102111201.

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 102111201002221 - 2¹⁷ = 102111200871149 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102111201002195 and 102111201002204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102111201002227) 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, 26605313611 + ... + 26605317448.

It is an arithmetic number, because the mean of its divisors is an integer number (13568710920300).

Almost surely, 2^{102111201002221} is an apocalyptic number.

It is an amenable number.

102111201002221 is a deficient number, since it is larger than the sum of its proper divisors (6438486360179).

102111201002221 is a wasteful number, since it uses less digits than its factorization.

102111201002221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53210631179.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 102111201002221 its reverse (122200102111201), we get a palindrome (224311303113422).

The spelling of 102111201002221 in words is "one hundred two trillion, one hundred eleven billion, two hundred one million, two thousand, two hundred twenty-one".