10102012323021 has 12 divisors (see below), whose sum is σ = 14652342450460. Its totient is φ = 6706730171520.

The previous prime is 10102012323019. The next prime is 10102012323041. The reversal of 10102012323021 is 12032321020101.

It can be written as a sum of positive squares in 2 ways, for example, as 5270302769796 + 4831709553225 = 2295714^2 + 2198115^2 .

It is not a de Polignac number, because 10102012323021 - 2¹ = 10102012323019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10102012322985 and 10102012323003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10102012323041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2328723586 + ... + 2328727923.

Almost surely, 2^{10102012323021} is an apocalyptic number.

It is an amenable number.

10102012323021 is a deficient number, since it is larger than the sum of its proper divisors (4550330127439).

10102012323021 is a wasteful number, since it uses less digits than its factorization.

10102012323021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4657451756 (or 4657451753 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 10102012323021 its reverse (12032321020101), we get a palindrome (22134333343122).

The spelling of 10102012323021 in words is "ten trillion, one hundred two billion, twelve million, three hundred twenty-three thousand, twenty-one".