1222203310031 has 4 divisors (see below), whose sum is σ = 1333312701864. Its totient is φ = 1111093918200.

The previous prime is 1222203310021. The next prime is 1222203310049. The reversal of 1222203310031 is 1300133022221.

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-1222203310031 is a prime.

It is a super-2 number, since 2×1222203310031² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1222203309985 and 1222203310012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222203310021) 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, 55554695900 + ... + 55554695921.

It is an arithmetic number, because the mean of its divisors is an integer number (333328175466).

Almost surely, 2^{1222203310031} is an apocalyptic number.

1222203310031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1222203310031 is a deficient number, since it is larger than the sum of its proper divisors (111109391833).

1222203310031 is a wasteful number, since it uses less digits than its factorization.

1222203310031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111109391832.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1222203310031 its reverse (1300133022221), we get a palindrome (2522336332252).

The spelling of 1222203310031 in words is "one trillion, two hundred twenty-two billion, two hundred three million, three hundred ten thousand, thirty-one".