1121020201211 has 4 divisors (see below), whose sum is σ = 1122796779024. Its totient is φ = 1119243623400.

The previous prime is 1121020201177. The next prime is 1121020201247.

1121020201211 is nontrivially palindromic in base 10.

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 1121020201211 - 2³⁴ = 1103840332027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121020201271) 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, 888287960 + ... + 888289221.

It is an arithmetic number, because the mean of its divisors is an integer number (280699194756).

Almost surely, 2^{1121020201211} is an apocalyptic number.

1121020201211 is a deficient number, since it is larger than the sum of its proper divisors (1776577813).

1121020201211 is an equidigital number, since it uses as much as digits as its factorization.

1121020201211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1776577812.

The product of its (nonzero) digits is 16, while the sum is 14.

It can be divided in two parts, 1121020 and 201211, that added together give a palindrome (1322231).

The spelling of 1121020201211 in words is "one trillion, one hundred twenty-one billion, twenty million, two hundred one thousand, two hundred eleven".