1121214343211 has 16 divisors (see below), whose sum is σ = 1173134966400. Its totient is φ = 1070210064000.

The previous prime is 1121214343157. The next prime is 1121214343231. The reversal of 1121214343211 is 1123434121211.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1121214343211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121214343231) 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, 1646510 + ... + 2225628.

It is an arithmetic number, because the mean of its divisors is an integer number (73320935400).

Almost surely, 2^{1121214343211} is an apocalyptic number.

1121214343211 is a deficient number, since it is larger than the sum of its proper divisors (51920623189).

1121214343211 is a wasteful number, since it uses less digits than its factorization.

1121214343211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579910.

The product of its digits is 1152, while the sum is 26.

Adding to 1121214343211 its reverse (1123434121211), we get a palindrome (2244648464422).

The spelling of 1121214343211 in words is "one trillion, one hundred twenty-one billion, two hundred fourteen million, three hundred forty-three thousand, two hundred eleven".