22133101231 has 4 divisors (see below), whose sum is σ = 22508238600. Its totient is φ = 21757963864.

The previous prime is 22133101183. The next prime is 22133101241. The reversal of 22133101231 is 13210133122.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22133101231 is a prime.

It is a super-2 number, since 2×22133101231² (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 = 22133101199 and 22133101208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22133101241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187568596 + ... + 187568713.

It is an arithmetic number, because the mean of its divisors is an integer number (5627059650).

Almost surely, 2^22133101231 is an apocalyptic number.

22133101231 is a deficient number, since it is larger than the sum of its proper divisors (375137369).

22133101231 is an equidigital number, since it uses as much as digits as its factorization.

22133101231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375137368.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 22133101231 its reverse (13210133122), we get a palindrome (35343234353).

The spelling of 22133101231 in words is "twenty-two billion, one hundred thirty-three million, one hundred one thousand, two hundred thirty-one".