1211201033322 has 64 divisors (see below), whose sum is σ = 2811787582464. Its totient is φ = 340671112320.

The previous prime is 1211201033303. The next prime is 1211201033323. The reversal of 1211201033322 is 2233301021121.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (1211201033323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 361333 + ... + 1597799.

It is an arithmetic number, because the mean of its divisors is an integer number (43934180976).

Almost surely, 2^{1211201033322} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1211201033322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1405893791232).

1211201033322 is an abundant number, since it is smaller than the sum of its proper divisors (1600586549142).

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

1211201033322 is a wasteful number, since it uses less digits than its factorization.

1211201033322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1236843.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1211201033322 its reverse (2233301021121), we get a palindrome (3444502054443).

The spelling of 1211201033322 in words is "one trillion, two hundred eleven billion, two hundred one million, thirty-three thousand, three hundred twenty-two".