102120201010121 has 8 divisors (see below), whose sum is σ = 116724914535744. Its totient is φ = 87519515829840.

The previous prime is 102120201010109. The next prime is 102120201010127. The reversal of 102120201010121 is 121010102021201.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102120201010121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102120201010096 and 102120201010105.

It is not an unprimeable number, because it can be changed into a prime (102120201010127) 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, 1007032010 + ... + 1007133411.

It is an arithmetic number, because the mean of its divisors is an integer number (14590614316968).

Almost surely, 2^{102120201010121} is an apocalyptic number.

It is an amenable number.

102120201010121 is a deficient number, since it is larger than the sum of its proper divisors (14604713525623).

102120201010121 is an equidigital number, since it uses as much as digits as its factorization.

102120201010121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2014172671.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 102120201010121 its reverse (121010102021201), we get a palindrome (223130303031322).

The spelling of 102120201010121 in words is "one hundred two trillion, one hundred twenty billion, two hundred one million, ten thousand, one hundred twenty-one".