10021103121 has 8 divisors (see below), whose sum is σ = 13792486144. Its totient is φ = 6465227760.

The previous prime is 10021103117. The next prime is 10021103137. The reversal of 10021103121 is 12130112001.

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

It is not a de Polignac number, because 10021103121 - 2² = 10021103117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10021103097 and 10021103106.

It is not an unprimeable number, because it can be changed into a prime (10021103111) 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, 53876806 + ... + 53876991.

It is an arithmetic number, because the mean of its divisors is an integer number (1724060768).

Almost surely, 2^10021103121 is an apocalyptic number.

It is an amenable number.

10021103121 is a deficient number, since it is larger than the sum of its proper divisors (3771383023).

10021103121 is a wasteful number, since it uses less digits than its factorization.

10021103121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107753831.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 10021103121 its reverse (12130112001), we get a palindrome (22151215122).

The spelling of 10021103121 in words is "ten billion, twenty-one million, one hundred three thousand, one hundred twenty-one".