10021120097 has 4 divisors (see below), whose sum is σ = 10043439300. Its totient is φ = 9998800896.

The previous prime is 10021120091. The next prime is 10021120103. The reversal of 10021120097 is 79002112001.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (10021120091) and next prime (10021120103).

It can be written as a sum of positive squares in 2 ways, for example, as 7791769441 + 2229350656 = 88271^2 + 47216^2 .

It is a cyclic number.

It is not a de Polignac number, because 10021120097 - 2²⁶ = 9954011233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10021120091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11158928 + ... + 11159825.

It is an arithmetic number, because the mean of its divisors is an integer number (2510859825).

Almost surely, 2^10021120097 is an apocalyptic number.

It is an amenable number.

10021120097 is a deficient number, since it is larger than the sum of its proper divisors (22319203).

10021120097 is an equidigital number, since it uses as much as digits as its factorization.

10021120097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22319202.

The product of its (nonzero) digits is 252, while the sum is 23.

Adding to 10021120097 its reverse (79002112001), we get a palindrome (89023232098).

The spelling of 10021120097 in words is "ten billion, twenty-one million, one hundred twenty thousand, ninety-seven".