1201121221322 has 32 divisors (see below), whose sum is σ = 1970611260480. Its totient is φ = 544538135680.

The previous prime is 1201121221297. The next prime is 1201121221351. The reversal of 1201121221322 is 2231221211021.

It is a junction number, because it is equal to n+sod(n) for n = 1201121221294 and 1201121221303.

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, 13788488 + ... + 13875324.

It is an arithmetic number, because the mean of its divisors is an integer number (61581601890).

Almost surely, 2^{1201121221322} is an apocalyptic number.

1201121221322 is a deficient number, since it is larger than the sum of its proper divisors (769490039158).

1201121221322 is a wasteful number, since it uses less digits than its factorization.

1201121221322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88486.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 1201121221322 its reverse (2231221211021), we get a palindrome (3432342432343).

The spelling of 1201121221322 in words is "one trillion, two hundred one billion, one hundred twenty-one million, two hundred twenty-one thousand, three hundred twenty-two".