1031222231222 has 32 divisors (see below), whose sum is σ = 1598928895872. Its totient is φ = 498498061824.

The previous prime is 1031222231213. The next prime is 1031222231317. The reversal of 1031222231222 is 2221322221301.

It is a happy number.

It is a super-2 number, since 2×1031222231222² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11152793 + ... + 11244875.

It is an arithmetic number, because the mean of its divisors is an integer number (49966527996).

Almost surely, 2^{1031222231222} is an apocalyptic number.

1031222231222 is a deficient number, since it is larger than the sum of its proper divisors (567706664650).

1031222231222 is a wasteful number, since it uses less digits than its factorization.

1031222231222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93452.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 1031222231222 its reverse (2221322221301), we get a palindrome (3252544452523).

The spelling of 1031222231222 in words is "one trillion, thirty-one billion, two hundred twenty-two million, two hundred thirty-one thousand, two hundred twenty-two".