10010121121 has 16 divisors (see below), whose sum is σ = 13440163968. Its totient is φ = 7200086400.

The previous prime is 10010121113. The next prime is 10010121161. The reversal of 10010121121 is 12112101001.

It is not a de Polignac number, because 10010121121 - 2³ = 10010121113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10010121098 and 10010121107.

It is not an unprimeable number, because it can be changed into a prime (10010121161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4999060 + ... + 5001061.

It is an arithmetic number, because the mean of its divisors is an integer number (840010248).

Almost surely, 2^10010121121 is an apocalyptic number.

10010121121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10010121121 is a deficient number, since it is larger than the sum of its proper divisors (3430042847).

10010121121 is a wasteful number, since it uses less digits than its factorization.

10010121121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10000152.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 10010121121 its reverse (12112101001), we get a palindrome (22122222122).

It can be divided in two parts, 10010 and 121121, that added together give a palindrome (131131).

The spelling of 10010121121 in words is "ten billion, ten million, one hundred twenty-one thousand, one hundred twenty-one".