102120001111 has 8 divisors (see below), whose sum is σ = 102491363520. Its totient is φ = 101748794592.

The previous prime is 102120001103. The next prime is 102120001163. The reversal of 102120001111 is 111100021201.

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 102120001111 - 2³ = 102120001103 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 (102121001111) 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, 1364985 + ... + 1437853.

It is an arithmetic number, because the mean of its divisors is an integer number (12811420440).

Almost surely, 2^102120001111 is an apocalyptic number.

102120001111 is a deficient number, since it is larger than the sum of its proper divisors (371362409).

102120001111 is an equidigital number, since it uses as much as digits as its factorization.

102120001111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77945.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 102120001111 its reverse (111100021201), we get a palindrome (213220022312).

The spelling of 102120001111 in words is "one hundred two billion, one hundred twenty million, one thousand, one hundred eleven".