1121122201211 has 8 divisors (see below), whose sum is σ = 1125981973584. Its totient is φ = 1116262840320.

The previous prime is 1121122201201. The next prime is 1121122201231. The reversal of 1121122201211 is 1121022211211.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1121122201211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1121122201211.

It is not an unprimeable number, because it can be changed into a prime (1121122201201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6189371 + ... + 6367931.

It is an arithmetic number, because the mean of its divisors is an integer number (140747746698).

Almost surely, 2^{1121122201211} is an apocalyptic number.

1121122201211 is a deficient number, since it is larger than the sum of its proper divisors (4859772373).

1121122201211 is a wasteful number, since it uses less digits than its factorization.

1121122201211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205741.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 1121122201211 its reverse (1121022211211), we get a palindrome (2242144412422).

The spelling of 1121122201211 in words is "one trillion, one hundred twenty-one billion, one hundred twenty-two million, two hundred one thousand, two hundred eleven".