102102102201111 has 8 divisors (see below), whose sum is σ = 136143222708864. Its totient is φ = 68064524913720.

The previous prime is 102102102201019. The next prime is 102102102201173. The reversal of 102102102201111 is 111102201201201.

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 102102102201111 - 2⁹ = 102102102200599 is a prime.

It is a super-2 number, since 2×102102102201111² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102102102201191) 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, 885737851 + ... + 885853116.

It is an arithmetic number, because the mean of its divisors is an integer number (17017902838608).

Almost surely, 2^{102102102201111} is an apocalyptic number.

102102102201111 is a deficient number, since it is larger than the sum of its proper divisors (34041120507753).

102102102201111 is a wasteful number, since it uses less digits than its factorization.

102102102201111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1771610181.

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

Adding to 102102102201111 its reverse (111102201201201), we get a palindrome (213204303402312).

The spelling of 102102102201111 in words is "one hundred two trillion, one hundred two billion, one hundred two million, two hundred one thousand, one hundred eleven".