1121110203211 has 4 divisors (see below), whose sum is σ = 1180116003400. Its totient is φ = 1062104403024.

The previous prime is 1121110203203. The next prime is 1121110203253. The reversal of 1121110203211 is 1123020111211.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1121110203211 - 2³ = 1121110203203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1121110203511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29502900066 + ... + 29502900103.

It is an arithmetic number, because the mean of its divisors is an integer number (295029000850).

Almost surely, 2^{1121110203211} is an apocalyptic number.

1121110203211 is a deficient number, since it is larger than the sum of its proper divisors (59005800189).

1121110203211 is an equidigital number, since it uses as much as digits as its factorization.

1121110203211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59005800188.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 1121110203211 its reverse (1123020111211), we get a palindrome (2244130314422).

The spelling of 1121110203211 in words is "one trillion, one hundred twenty-one billion, one hundred ten million, two hundred three thousand, two hundred eleven".