10302240312121 has 4 divisors (see below), whose sum is σ = 10325185168500. Its totient is φ = 10279295455744.

The previous prime is 10302240312101. The next prime is 10302240312127. The reversal of 10302240312121 is 12121304220301.

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 7634506089721 + 2667734222400 = 2763061^2 + 1633320^2 .

It is a cyclic number.

It is not a de Polignac number, because 10302240312121 - 2²³ = 10302231923513 is a prime.

It is a super-2 number, since 2×10302240312121² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10302240312092 and 10302240312101.

It is not an unprimeable number, because it can be changed into a prime (10302240312127) 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, 11472427516 + ... + 11472428413.

It is an arithmetic number, because the mean of its divisors is an integer number (2581296292125).

Almost surely, 2^{10302240312121} is an apocalyptic number.

It is an amenable number.

10302240312121 is a deficient number, since it is larger than the sum of its proper divisors (22944856379).

10302240312121 is an equidigital number, since it uses as much as digits as its factorization.

10302240312121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22944856378.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 10302240312121 its reverse (12121304220301), we get a palindrome (22423544532422).

The spelling of 10302240312121 in words is "ten trillion, three hundred two billion, two hundred forty million, three hundred twelve thousand, one hundred twenty-one".