1321011023222 has 16 divisors (see below), whose sum is σ = 2191266108432. Its totient is φ = 592234081920.

The previous prime is 1321011023219. The next prime is 1321011023239. The reversal of 1321011023222 is 2223201101231.

It is a super-2 number, since 2×1321011023222² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1321011023194 and 1321011023203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 411272063 + ... + 411275274.

It is an arithmetic number, because the mean of its divisors is an integer number (136954131777).

Almost surely, 2^{1321011023222} is an apocalyptic number.

1321011023222 is a deficient number, since it is larger than the sum of its proper divisors (870255085210).

1321011023222 is a wasteful number, since it uses less digits than its factorization.

1321011023222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822547423.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1321011023222 its reverse (2223201101231), we get a palindrome (3544212124453).

The spelling of 1321011023222 in words is "one trillion, three hundred twenty-one billion, eleven million, twenty-three thousand, two hundred twenty-two".