1101003221231 has 4 divisors (see below), whose sum is σ = 1109039741232. Its totient is φ = 1092966701232.

The previous prime is 1101003221191. The next prime is 1101003221237. The reversal of 1101003221231 is 1321223001011.

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

It is a cyclic number.

It is not a de Polignac number, because 1101003221231 - 2⁶ = 1101003221167 is a prime.

It is a super-2 number, since 2×1101003221231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101003221237) 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, 4018259795 + ... + 4018260068.

It is an arithmetic number, because the mean of its divisors is an integer number (277259935308).

Almost surely, 2^{1101003221231} is an apocalyptic number.

1101003221231 is a deficient number, since it is larger than the sum of its proper divisors (8036520001).

1101003221231 is an equidigital number, since it uses as much as digits as its factorization.

1101003221231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8036520000.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1101003221231 its reverse (1321223001011), we get a palindrome (2422226222242).

The spelling of 1101003221231 in words is "one trillion, one hundred one billion, three million, two hundred twenty-one thousand, two hundred thirty-one".