1321031032222 has 16 divisors (see below), whose sum is σ = 2166019200000. Its totient is φ = 599265302040.

The previous prime is 1321031032201. The next prime is 1321031032283. The reversal of 1321031032222 is 2222301301231.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 1321031032193 and 1321031032202.

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, 60156222 + ... + 60178177.

It is an arithmetic number, because the mean of its divisors is an integer number (135376200000).

Almost surely, 2^{1321031032222} is an apocalyptic number.

1321031032222 is a deficient number, since it is larger than the sum of its proper divisors (844988167778).

1321031032222 is a wasteful number, since it uses less digits than its factorization.

1321031032222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120334911.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1321031032222 its reverse (2222301301231), we get a palindrome (3543332333453).

The spelling of 1321031032222 in words is "one trillion, three hundred twenty-one billion, thirty-one million, thirty-two thousand, two hundred twenty-two".