10210012101021 has 4 divisors (see below), whose sum is σ = 13613349468032. Its totient is φ = 6806674734012.

The previous prime is 10210012100983. The next prime is 10210012101041. The reversal of 10210012101021 is 12010121001201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 10210012101021 - 2¹¹ = 10210012098973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10210012100988 and 10210012101006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10210012101041) 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, 1701668683501 + ... + 1701668683506.

It is an arithmetic number, because the mean of its divisors is an integer number (3403337367008).

Almost surely, 2^{10210012101021} is an apocalyptic number.

It is an amenable number.

10210012101021 is a deficient number, since it is larger than the sum of its proper divisors (3403337367011).

10210012101021 is an equidigital number, since it uses as much as digits as its factorization.

10210012101021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3403337367010.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 10210012101021 its reverse (12010121001201), we get a palindrome (22220133102222).

The spelling of 10210012101021 in words is "ten trillion, two hundred ten billion, twelve million, one hundred one thousand, twenty-one".