102120201121 has 8 divisors (see below), whose sum is σ = 103083339744. Its totient is φ = 101157224640.

The previous prime is 102120201119. The next prime is 102120201191. The reversal of 102120201121 is 121102021201.

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 102120201121 - 2¹ = 102120201119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102120201191) 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, 1499026 + ... + 1565668.

It is an arithmetic number, because the mean of its divisors is an integer number (12885417468).

Almost surely, 2^102120201121 is an apocalyptic number.

It is an amenable number.

102120201121 is a deficient number, since it is larger than the sum of its proper divisors (963138623).

102120201121 is a wasteful number, since it uses less digits than its factorization.

102120201121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81071.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102120201121 its reverse (121102021201), we get a palindrome (223222222322).

The spelling of 102120201121 in words is "one hundred two billion, one hundred twenty million, two hundred one thousand, one hundred twenty-one".