1121102321211 has 16 divisors (see below), whose sum is σ = 1661186361120. Its totient is φ = 747269232480.

The previous prime is 1121102321191. The next prime is 1121102321221. The reversal of 1121102321211 is 1121232011211.

It is a happy number.

1121102321211 is a `hidden beast` number, since 1 + 121 + 10 + 2 + 321 + 211 = 666.

It is not a de Polignac number, because 1121102321211 - 2⁶ = 1121102321147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1121102321221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3519960 + ... + 3825221.

It is an arithmetic number, because the mean of its divisors is an integer number (103824147570).

Almost surely, 2^{1121102321211} is an apocalyptic number.

1121102321211 is a deficient number, since it is larger than the sum of its proper divisors (540084039909).

1121102321211 is an equidigital number, since it uses as much as digits as its factorization.

1121102321211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7350843 (or 7350837 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 1121102321211 its reverse (1121232011211), we get a palindrome (2242334332422).

The spelling of 1121102321211 in words is "one trillion, one hundred twenty-one billion, one hundred two million, three hundred twenty-one thousand, two hundred eleven".