1011231323222 has 8 divisors (see below), whose sum is σ = 1518131363472. Its totient is φ = 505187535400.

The previous prime is 1011231323209. The next prime is 1011231323257. The reversal of 1011231323222 is 2223231321101.

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

It is a super-2 number, since 2×1011231323222² (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 3 ways as a sum of consecutive naturals, for example, 214060154 + ... + 214064877.

It is an arithmetic number, because the mean of its divisors is an integer number (189766420434).

Almost surely, 2^{1011231323222} is an apocalyptic number.

1011231323222 is a deficient number, since it is larger than the sum of its proper divisors (506900040250).

1011231323222 is a wasteful number, since it uses less digits than its factorization.

1011231323222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428126214.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1011231323222 its reverse (2223231321101), we get a palindrome (3234462644323).

The spelling of 1011231323222 in words is "one trillion, eleven billion, two hundred thirty-one million, three hundred twenty-three thousand, two hundred twenty-two".