1011132221003 has 4 divisors (see below), whose sum is σ = 1012493099568. Its totient is φ = 1009771342440.

The previous prime is 1011132220991. The next prime is 1011132221041. The reversal of 1011132221003 is 3001222311101.

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 1011132221003 - 2³² = 1006837253707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011132221503) 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, 680438168 + ... + 680439653.

It is an arithmetic number, because the mean of its divisors is an integer number (253123274892).

Almost surely, 2^{1011132221003} is an apocalyptic number.

1011132221003 is a deficient number, since it is larger than the sum of its proper divisors (1360878565).

1011132221003 is an equidigital number, since it uses as much as digits as its factorization.

1011132221003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360878564.

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

Adding to 1011132221003 its reverse (3001222311101), we get a palindrome (4012354532104).

The spelling of 1011132221003 in words is "one trillion, eleven billion, one hundred thirty-two million, two hundred twenty-one thousand, three".