10202021012101 has 4 divisors (see below), whose sum is σ = 10439277314752. Its totient is φ = 9964764709452.

The previous prime is 10202021012081. The next prime is 10202021012143. The reversal of 10202021012101 is 10121012020201.

10202021012101 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10202021012101 - 2²¹ = 10202018914949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10202021012201) 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, 118628151261 + ... + 118628151346.

It is an arithmetic number, because the mean of its divisors is an integer number (2609819328688).

Almost surely, 2^{10202021012101} is an apocalyptic number.

It is an amenable number.

10202021012101 is a deficient number, since it is larger than the sum of its proper divisors (237256302651).

10202021012101 is an equidigital number, since it uses as much as digits as its factorization.

10202021012101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237256302650.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10202021012101 its reverse (10121012020201), we get a palindrome (20323033032302).

The spelling of 10202021012101 in words is "ten trillion, two hundred two billion, twenty-one million, twelve thousand, one hundred one".