10021101121 has 4 divisors (see below), whose sum is σ = 10032102144. Its totient is φ = 10010100100.

The previous prime is 10021101067. The next prime is 10021101131. The reversal of 10021101121 is 12110112001.

10021101121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10021101121 - 2¹³ = 10021092929 is a prime.

It is a Duffinian number.

10021101121 is a modest number, since divided by 101121 gives 10021 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 10021101098 and 10021101107.

It is not an unprimeable number, because it can be changed into a prime (10021101131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5499145 + ... + 5500966.

It is an arithmetic number, because the mean of its divisors is an integer number (2508025536).

Almost surely, 2^10021101121 is an apocalyptic number.

It is an amenable number.

10021101121 is a deficient number, since it is larger than the sum of its proper divisors (11001023).

10021101121 is an equidigital number, since it uses as much as digits as its factorization.

10021101121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11001022.

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

Adding to 10021101121 its reverse (12110112001), we get a palindrome (22131213122).

The spelling of 10021101121 in words is "ten billion, twenty-one million, one hundred one thousand, one hundred twenty-one".