10021121113 has 8 divisors (see below), whose sum is σ = 10553793120. Its totient is φ = 9488973600.

The previous prime is 10021121029. The next prime is 10021121153. The reversal of 10021121113 is 31112112001.

It is a happy number.

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 10021121113 - 2¹³ = 10021112921 is a prime.

It is a super-2 number, since 2×10021121113² (a number of 21 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 = 10021121093 and 10021121102.

It is not an unprimeable number, because it can be changed into a prime (10021121153) 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, 91588 + ... + 168613.

It is an arithmetic number, because the mean of its divisors is an integer number (1319224140).

Almost surely, 2^10021121113 is an apocalyptic number.

It is an amenable number.

10021121113 is a deficient number, since it is larger than the sum of its proper divisors (532672007).

10021121113 is a wasteful number, since it uses less digits than its factorization.

10021121113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262247.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 10021121113 its reverse (31112112001), we get a palindrome (41133233114).

The spelling of 10021121113 in words is "ten billion, twenty-one million, one hundred twenty-one thousand, one hundred thirteen".