1121011030213 has 4 divisors (see below), whose sum is σ = 1121030916768. Its totient is φ = 1120991143660.

The previous prime is 1121011030193. The next prime is 1121011030277. The reversal of 1121011030213 is 3120301101211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1121011030213 - 2²¹ = 1121008933061 is a prime.

It is a super-3 number, since 3×1121011030213³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121011030313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9858481 + ... + 9971542.

It is an arithmetic number, because the mean of its divisors is an integer number (280257729192).

Almost surely, 2^{1121011030213} is an apocalyptic number.

It is an amenable number.

1121011030213 is a deficient number, since it is larger than the sum of its proper divisors (19886555).

1121011030213 is an equidigital number, since it uses as much as digits as its factorization.

1121011030213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19886554.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1121011030213 its reverse (3120301101211), we get a palindrome (4241312131424).

The spelling of 1121011030213 in words is "one trillion, one hundred twenty-one billion, eleven million, thirty thousand, two hundred thirteen".