102120201100111 has 8 divisors (see below), whose sum is σ = 104495247995600. Its totient is φ = 99745161409152.

The previous prime is 102120201100103. The next prime is 102120201100147. The reversal of 102120201100111 is 111001102021201.

It is a happy number.

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 102120201100111 - 2³ = 102120201100103 is a prime.

It is a super-2 number, since 2×102120201100111² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102120201100091 and 102120201100100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102120201170111) 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, 35993821 + ... + 38727193.

It is an arithmetic number, because the mean of its divisors is an integer number (13061905999450).

Almost surely, 2^{102120201100111} is an apocalyptic number.

102120201100111 is a deficient number, since it is larger than the sum of its proper divisors (2375046895489).

102120201100111 is an equidigital number, since it uses as much as digits as its factorization.

102120201100111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3602265.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 102120201100111 its reverse (111001102021201), we get a palindrome (213121303121312).

The spelling of 102120201100111 in words is "one hundred two trillion, one hundred twenty billion, two hundred one million, one hundred thousand, one hundred eleven".