10301212121 has 8 divisors (see below), whose sum is σ = 10857424320. Its totient is φ = 9746404272.

The previous prime is 10301212091. The next prime is 10301212127. The reversal of 10301212121 is 12121210301.

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 10301212121 - 2¹⁰ = 10301211097 is a prime.

It is a super-2 number, since 2×10301212121² (a number of 21 digits) contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10301212096 and 10301212105.

It is not an unprimeable number, because it can be changed into a prime (10301212127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 336005 + ... + 365378.

It is an arithmetic number, because the mean of its divisors is an integer number (1357178040).

Almost surely, 2^10301212121 is an apocalyptic number.

It is an amenable number.

10301212121 is a deficient number, since it is larger than the sum of its proper divisors (556212199).

10301212121 is an equidigital number, since it uses as much as digits as its factorization.

10301212121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702175.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 10301212121 its reverse (12121210301), we get a palindrome (22422422422).

The spelling of 10301212121 in words is "ten billion, three hundred one million, two hundred twelve thousand, one hundred twenty-one".