10112020210121 has 4 divisors (see below), whose sum is σ = 10115987266500. Its totient is φ = 10108053153744.

The previous prime is 10112020210087. The next prime is 10112020210147. The reversal of 10112020210121 is 12101202021101.

10112020210121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4409953800121 + 5702066410000 = 2099989^2 + 2387900^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10112020210121 is a prime.

It is a super-3 number, since 3×10112020210121³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10112020210096 and 10112020210105.

It is not an unprimeable number, because it can be changed into a prime (10112020216121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1983524366 + ... + 1983529463.

It is an arithmetic number, because the mean of its divisors is an integer number (2528996816625).

Almost surely, 2^{10112020210121} is an apocalyptic number.

It is an amenable number.

10112020210121 is a deficient number, since it is larger than the sum of its proper divisors (3967056379).

10112020210121 is an equidigital number, since it uses as much as digits as its factorization.

10112020210121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3967056378.

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

Adding to 10112020210121 its reverse (12101202021101), we get a palindrome (22213222231222).

The spelling of 10112020210121 in words is "ten trillion, one hundred twelve billion, twenty million, two hundred ten thousand, one hundred twenty-one".