102120020001111 has 48 divisors (see below), whose sum is σ = 161964733956480. Its totient is φ = 57048305348160.

The previous prime is 102120020001059. The next prime is 102120020001151. The reversal of 102120020001111 is 111100020021201.

It is not a de Polignac number, because 102120020001111 - 2³⁰ = 102118946259287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102120020001151) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30956361 + ... + 34095986.

It is an arithmetic number, because the mean of its divisors is an integer number (3374265290760).

Almost surely, 2^{102120020001111} is an apocalyptic number.

102120020001111 is a deficient number, since it is larger than the sum of its proper divisors (59844713955369).

102120020001111 is a wasteful number, since it uses less digits than its factorization.

102120020001111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65052604 (or 65052597 counting only the distinct ones).

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

Adding to 102120020001111 its reverse (111100020021201), we get a palindrome (213220040022312).

The spelling of 102120020001111 in words is "one hundred two trillion, one hundred twenty billion, twenty million, one thousand, one hundred eleven".