10020310000121 has 8 divisors (see below), whose sum is σ = 10292227144584. Its totient is φ = 9749703300480.

The previous prime is 10020310000087. The next prime is 10020310000133. The reversal of 10020310000121 is 12100001302001.

It can be written as a sum of positive squares in 4 ways, for example, as 488048946025 + 9532261054096 = 698605^2 + 3087436^2 .

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-10020310000121 is a prime.

It is a super-2 number, since 2×10020310000121² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10020310030121) 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, 327595706 + ... + 327626291.

It is an arithmetic number, because the mean of its divisors is an integer number (1286528393073).

Almost surely, 2^{10020310000121} is an apocalyptic number.

It is an amenable number.

10020310000121 is a deficient number, since it is larger than the sum of its proper divisors (271917144463).

10020310000121 is an equidigital number, since it uses as much as digits as its factorization.

10020310000121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655222411.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 10020310000121 its reverse (12100001302001), we get a palindrome (22120311302122).

The spelling of 10020310000121 in words is "ten trillion, twenty billion, three hundred ten million, one hundred twenty-one", and thus it is an aban number.