1233222101 has 4 divisors (see below), whose sum is σ = 1233566112. Its totient is φ = 1232878092.

The previous prime is 1233222061. The next prime is 1233222103. The reversal of 1233222101 is 1012223321.

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 1233222101 - 2¹⁸ = 1232959957 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1233222101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233222103) 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, 166571 + ... + 173816.

It is an arithmetic number, because the mean of its divisors is an integer number (308391528).

Almost surely, 2^1233222101 is an apocalyptic number.

It is an amenable number.

1233222101 is a deficient number, since it is larger than the sum of its proper divisors (344011).

1233222101 is an equidigital number, since it uses as much as digits as its factorization.

1233222101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344010.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1233222101 is about 35117.2621512555. The cubic root of 1233222101 is about 1072.3760344147.

Adding to 1233222101 its reverse (1012223321), we get a palindrome (2245445422).

The spelling of 1233222101 in words is "one billion, two hundred thirty-three million, two hundred twenty-two thousand, one hundred one".