1222211322031 has 16 divisors (see below), whose sum is σ = 1491440315904. Its totient is φ = 978757696224.

The previous prime is 1222211322023. The next prime is 1222211322037. The reversal of 1222211322031 is 1302231122221.

It is not a de Polignac number, because 1222211322031 - 2³ = 1222211322023 is a prime.

It is a super-2 number, since 2×1222211322031² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1222211321993 and 1222211322011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222211322037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88264876 + ... + 88278721.

It is an arithmetic number, because the mean of its divisors is an integer number (93215019744).

Almost surely, 2^{1222211322031} is an apocalyptic number.

1222211322031 is a deficient number, since it is larger than the sum of its proper divisors (269228993873).

1222211322031 is a wasteful number, since it uses less digits than its factorization.

1222211322031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176543670.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 1222211322031 its reverse (1302231122221), we get a palindrome (2524442444252).

The spelling of 1222211322031 in words is "one trillion, two hundred twenty-two billion, two hundred eleven million, three hundred twenty-two thousand, thirty-one".