1121222003031 has 32 divisors (see below), whose sum is σ = 1810928763840. Its totient is φ = 689982753600.

The previous prime is 1121222003009. The next prime is 1121222003059. The reversal of 1121222003031 is 1303002221211.

It is not a de Polignac number, because 1121222003031 - 2²⁷ = 1121087785303 is a prime.

It is a super-2 number, since 2×1121222003031² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1121222002995 and 1121222003013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121222003081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19689870 + ... + 19746731.

It is an arithmetic number, because the mean of its divisors is an integer number (56591523870).

Almost surely, 2^{1121222003031} is an apocalyptic number.

1121222003031 is a deficient number, since it is larger than the sum of its proper divisors (689706760809).

1121222003031 is an frugal number, since it uses more digits than its factorization.

1121222003031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39436635 (or 39436617 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1121222003031 its reverse (1303002221211), we get a palindrome (2424224224242).

The spelling of 1121222003031 in words is "one trillion, one hundred twenty-one billion, two hundred twenty-two million, three thousand, thirty-one".