1203122221211 has 8 divisors (see below), whose sum is σ = 1273075046400. Its totient is φ = 1133832456360.

The previous prime is 1203122221207. The next prime is 1203122221219. The reversal of 1203122221211 is 1121222213021.

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

It is not a de Polignac number, because 1203122221211 - 2² = 1203122221207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1203122221219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165761351 + ... + 165768608.

It is an arithmetic number, because the mean of its divisors is an integer number (159134380800).

Almost surely, 2^{1203122221211} is an apocalyptic number.

1203122221211 is a deficient number, since it is larger than the sum of its proper divisors (69952825189).

1203122221211 is a wasteful number, since it uses less digits than its factorization.

1203122221211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331530169.

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

Adding to 1203122221211 its reverse (1121222213021), we get a palindrome (2324344434232).

The spelling of 1203122221211 in words is "one trillion, two hundred three billion, one hundred twenty-two million, two hundred twenty-one thousand, two hundred eleven".