1162021105111 has 4 divisors (see below), whose sum is σ = 1162445048424. Its totient is φ = 1161597161800.

The previous prime is 1162021105103. The next prime is 1162021105121. The reversal of 1162021105111 is 1115011202611.

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 1162021105111 - 2³ = 1162021105103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1162021105121) 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, 211967545 + ... + 211973026.

It is an arithmetic number, because the mean of its divisors is an integer number (290611262106).

Almost surely, 2^{1162021105111} is an apocalyptic number.

1162021105111 is a deficient number, since it is larger than the sum of its proper divisors (423943313).

1162021105111 is an equidigital number, since it uses as much as digits as its factorization.

1162021105111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423943312.

The product of its (nonzero) digits is 120, while the sum is 22.

Adding to 1162021105111 its reverse (1115011202611), we get a palindrome (2277032307722).

The spelling of 1162021105111 in words is "one trillion, one hundred sixty-two billion, twenty-one million, one hundred five thousand, one hundred eleven".