102021113021111 has 8 divisors (see below), whose sum is σ = 108011400463920. Its totient is φ = 96092901096192.

The previous prime is 102021113021017. The next prime is 102021113021119. The reversal of 102021113021111 is 111120311120201.

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 102021113021111 - 2¹⁰ = 102021113020087 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 102021113021111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102021113021119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15518876090 + ... + 15518882663.

It is an arithmetic number, because the mean of its divisors is an integer number (13501425057990).

Almost surely, 2^{102021113021111} is an apocalyptic number.

102021113021111 is a deficient number, since it is larger than the sum of its proper divisors (5990287442809).

102021113021111 is a wasteful number, since it uses less digits than its factorization.

102021113021111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31037758945.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 102021113021111 its reverse (111120311120201), we get a palindrome (213141424141312).

The spelling of 102021113021111 in words is "one hundred two trillion, twenty-one billion, one hundred thirteen million, twenty-one thousand, one hundred eleven".