10202121013 has 8 divisors (see below), whose sum is σ = 11702593280. Its totient is φ = 8712405360.

The previous prime is 10202121001. The next prime is 10202121019. The reversal of 10202121013 is 31012120201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10202121013 - 2⁹ = 10202120501 is a prime.

It is a super-2 number, since 2×10202121013² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10202120984 and 10202121002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10202121019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2687118 + ... + 2690911.

It is an arithmetic number, because the mean of its divisors is an integer number (1462824160).

Almost surely, 2^10202121013 is an apocalyptic number.

It is an amenable number.

10202121013 is a deficient number, since it is larger than the sum of its proper divisors (1500472267).

10202121013 is an equidigital number, since it uses as much as digits as its factorization.

10202121013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5378307.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 10202121013 its reverse (31012120201), we get a palindrome (41214241214).

The spelling of 10202121013 in words is "ten billion, two hundred two million, one hundred twenty-one thousand, thirteen".