102021111003111 has 16 divisors (see below), whose sum is σ = 136338808320000. Its totient is φ = 67858785255168.

The previous prime is 102021111003107. The next prime is 102021111003113. The reversal of 102021111003111 is 111300111120201.

It is not a de Polignac number, because 102021111003111 - 2² = 102021111003107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102021111003113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4689015 + ... + 15034263.

It is an arithmetic number, because the mean of its divisors is an integer number (8521175520000).

Almost surely, 2^{102021111003111} is an apocalyptic number.

102021111003111 is a deficient number, since it is larger than the sum of its proper divisors (34317697316889).

102021111003111 is a wasteful number, since it uses less digits than its factorization.

102021111003111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10352758.

The product of its (nonzero) digits is 12, while the sum is 15.

Adding to 102021111003111 its reverse (111300111120201), we get a palindrome (213321222123312).

The spelling of 102021111003111 in words is "one hundred two trillion, twenty-one billion, one hundred eleven million, three thousand, one hundred eleven".