102012220000121 has 8 divisors (see below), whose sum is σ = 103654761295104. Its totient is φ = 100373207259600.

The previous prime is 102012220000087. The next prime is 102012220000217. The reversal of 102012220000121 is 121000022210201.

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 102012220000121 - 2⁶ = 102012220000057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102012220000096 and 102012220000105.

It is not an unprimeable number, because it can be changed into a prime (102012220000021) 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, 882080330 + ... + 882195971.

It is an arithmetic number, because the mean of its divisors is an integer number (12956845161888).

Almost surely, 2^{102012220000121} is an apocalyptic number.

It is an amenable number.

102012220000121 is a deficient number, since it is larger than the sum of its proper divisors (1642541294983).

102012220000121 is an equidigital number, since it uses as much as digits as its factorization.

102012220000121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1764277231.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 102012220000121 its reverse (121000022210201), we get a palindrome (223012242210322).

The spelling of 102012220000121 in words is "one hundred two trillion, twelve billion, two hundred twenty million, one hundred twenty-one", and thus it is an aban number.