102002011101 has 8 divisors (see below), whose sum is σ = 151114090560. Its totient is φ = 68001340716.

The previous prime is 102002011087. The next prime is 102002011123. The reversal of 102002011101 is 101110200201.

It is a happy number.

It is not a de Polignac number, because 102002011101 - 2⁶ = 102002011037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102002011301) 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, 1888926105 + ... + 1888926158.

It is an arithmetic number, because the mean of its divisors is an integer number (18889261320).

Almost surely, 2^102002011101 is an apocalyptic number.

It is an amenable number.

102002011101 is a deficient number, since it is larger than the sum of its proper divisors (49112079459).

102002011101 is an equidigital number, since it uses as much as digits as its factorization.

102002011101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3777852272 (or 3777852266 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 102002011101 its reverse (101110200201), we get a palindrome (203112211302).

The spelling of 102002011101 in words is "one hundred two billion, two million, eleven thousand, one hundred one".