102021012000111 has 16 divisors (see below), whose sum is σ = 137365241801216. Its totient is φ = 67345554383136.

The previous prime is 102021012000097. The next prime is 102021012000199. The reversal of 102021012000111 is 111000210120201.

It is not a de Polignac number, because 102021012000111 - 2¹¹ = 102021011998063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102021012002111) 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, 17343715 + ... + 22468788.

It is an arithmetic number, because the mean of its divisors is an integer number (8585327612576).

Almost surely, 2^{102021012000111} is an apocalyptic number.

102021012000111 is a deficient number, since it is larger than the sum of its proper divisors (35344229801105).

102021012000111 is a wasteful number, since it uses less digits than its factorization.

102021012000111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39820902.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 102021012000111 its reverse (111000210120201), we get a palindrome (213021222120312).

The spelling of 102021012000111 in words is "one hundred two trillion, twenty-one billion, twelve million, one hundred eleven", and thus it is an aban number.