10021233091 has 4 divisors (see below), whose sum is σ = 10039553992. Its totient is φ = 10002912192.

The previous prime is 10021233059. The next prime is 10021233097. The reversal of 10021233091 is 19033212001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19033212001 = 3607 ⋅5276743.

It is a cyclic number.

It is not a de Polignac number, because 10021233091 - 2⁵ = 10021233059 is a prime.

It is a super-2 number, since 2×10021233091² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10021233097) 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, 9159630 + ... + 9160723.

It is an arithmetic number, because the mean of its divisors is an integer number (2509888498).

Almost surely, 2^10021233091 is an apocalyptic number.

10021233091 is a deficient number, since it is larger than the sum of its proper divisors (18320901).

10021233091 is an equidigital number, since it uses as much as digits as its factorization.

10021233091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18320900.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 10021233091 its reverse (19033212001), we get a palindrome (29054445092).

The spelling of 10021233091 in words is "ten billion, twenty-one million, two hundred thirty-three thousand, ninety-one".