1122111201011 has 4 divisors (see below), whose sum is σ = 1122165198000. Its totient is φ = 1122057204024.

The previous prime is 1122111200939. The next prime is 1122111201019. The reversal of 1122111201011 is 1101021112211.

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 1122111201011 - 2¹⁴ = 1122111184627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122111201019) 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, 26967311 + ... + 27008888.

It is an arithmetic number, because the mean of its divisors is an integer number (280541299500).

Almost surely, 2^{1122111201011} is an apocalyptic number.

1122111201011 is a deficient number, since it is larger than the sum of its proper divisors (53996989).

1122111201011 is an equidigital number, since it uses as much as digits as its factorization.

1122111201011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53996988.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1122111201011 its reverse (1101021112211), we get a palindrome (2223132313222).

The spelling of 1122111201011 in words is "one trillion, one hundred twenty-two billion, one hundred eleven million, two hundred one thousand, eleven".