1011000231222 has 16 divisors (see below), whose sum is σ = 2028502075392. Its totient is φ = 335916474920.

The previous prime is 1011000231203. The next prime is 1011000231223. The reversal of 1011000231222 is 2221320001101.

It is a super-2 number, since 2×1011000231222² (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 (1011000231223) 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, 270898518 + ... + 270902249.

It is an arithmetic number, because the mean of its divisors is an integer number (126781379712).

Almost surely, 2^{1011000231222} is an apocalyptic number.

1011000231222 is an abundant number, since it is smaller than the sum of its proper divisors (1017501844170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1011000231222 is a wasteful number, since it uses less digits than its factorization.

1011000231222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541801083.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1011000231222 its reverse (2221320001101), we get a palindrome (3232320232323).

The spelling of 1011000231222 in words is "one trillion, eleven billion, two hundred thirty-one thousand, two hundred twenty-two".