10233111021 has 8 divisors (see below), whose sum is σ = 15593312064. Its totient is φ = 5847492000.

The previous prime is 10233111001. The next prime is 10233111073. The reversal of 10233111021 is 12011133201.

It is a happy number.

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

It is not a de Polignac number, because 10233111021 - 2¹³ = 10233102829 is a prime.

It is a super-2 number, since 2×10233111021² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10233111001) 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, 243645480 + ... + 243645521.

It is an arithmetic number, because the mean of its divisors is an integer number (1949164008).

Almost surely, 2^10233111021 is an apocalyptic number.

It is an amenable number.

10233111021 is a deficient number, since it is larger than the sum of its proper divisors (5360201043).

10233111021 is an equidigital number, since it uses as much as digits as its factorization.

10233111021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487291011.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 10233111021 its reverse (12011133201), we get a palindrome (22244244222).

The spelling of 10233111021 in words is "ten billion, two hundred thirty-three million, one hundred eleven thousand, twenty-one".