102120110011 has 4 divisors (see below), whose sum is σ = 102137997024. Its totient is φ = 102102223000.

The previous prime is 102120109991. The next prime is 102120110023. The reversal of 102120110011 is 110011021201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110011021201 = 103 ⋅1068068167.

It is a cyclic number.

It is not a de Polignac number, because 102120110011 - 2¹⁵ = 102120077243 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 102120110011.

It is not an unprimeable number, because it can be changed into a prime (102120110611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8934940 + ... + 8946361.

It is an arithmetic number, because the mean of its divisors is an integer number (25534499256).

Almost surely, 2^102120110011 is an apocalyptic number.

102120110011 is a deficient number, since it is larger than the sum of its proper divisors (17887013).

102120110011 is an equidigital number, since it uses as much as digits as its factorization.

102120110011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17887012.

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

Adding to 102120110011 its reverse (110011021201), we get a palindrome (212131131212).

The spelling of 102120110011 in words is "one hundred two billion, one hundred twenty million, one hundred ten thousand, eleven".