1222111100031 has 8 divisors (see below), whose sum is σ = 1633670366640. Its totient is φ = 812646283392.

The previous prime is 1222111100011. The next prime is 1222111100099. The reversal of 1222111100031 is 1300011112221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1222111100031 - 2¹⁵ = 1222111067263 is a prime.

It is a super-2 number, since 2×1222111100031² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222111100011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 523611130 + ... + 523613463.

It is an arithmetic number, because the mean of its divisors is an integer number (204208795830).

Almost surely, 2^{1222111100031} is an apocalyptic number.

1222111100031 is a deficient number, since it is larger than the sum of its proper divisors (411559266609).

1222111100031 is a wasteful number, since it uses less digits than its factorization.

1222111100031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1047224985.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 1222111100031 its reverse (1300011112221), we get a palindrome (2522122212252).

The spelling of 1222111100031 in words is "one trillion, two hundred twenty-two billion, one hundred eleven million, one hundred thousand, thirty-one".