102120201020121 has 8 divisors (see below), whose sum is σ = 136183829266080. Its totient is φ = 68068353393792.

The previous prime is 102120201020107. The next prime is 102120201020141. The reversal of 102120201020121 is 121020102021201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102120201020121 - 2¹³ = 102120201011929 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 102120201020121.

It is not an unprimeable number, because it can be changed into a prime (102120201020141) 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, 2945134680 + ... + 2945169353.

It is an arithmetic number, because the mean of its divisors is an integer number (17022978658260).

Almost surely, 2^{102120201020121} is an apocalyptic number.

It is an amenable number.

102120201020121 is a deficient number, since it is larger than the sum of its proper divisors (34063628245959).

102120201020121 is an equidigital number, since it uses as much as digits as its factorization.

102120201020121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5890309815.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 102120201020121 its reverse (121020102021201), we get a palindrome (223140303041322).

The spelling of 102120201020121 in words is "one hundred two trillion, one hundred twenty billion, two hundred one million, twenty thousand, one hundred twenty-one".