102003031211111 has 8 divisors (see below), whose sum is σ = 102171780570624. Its totient is φ = 101834284171320.

The previous prime is 102003031211071. The next prime is 102003031211143. The reversal of 102003031211111 is 111112130300201.

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

It is a de Polignac number, because none of the positive numbers 2^k-102003031211111 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 102003031211111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102003031211611) 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, 102599996 + ... + 103589406.

It is an arithmetic number, because the mean of its divisors is an integer number (12771472571328).

Almost surely, 2^{102003031211111} is an apocalyptic number.

102003031211111 is a deficient number, since it is larger than the sum of its proper divisors (168749359513).

102003031211111 is an equidigital number, since it uses as much as digits as its factorization.

102003031211111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1159861.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 102003031211111 its reverse (111112130300201), we get a palindrome (213115161511312).

The spelling of 102003031211111 in words is "one hundred two trillion, three billion, thirty-one million, two hundred eleven thousand, one hundred eleven".