1121230133011 has 4 divisors (see below), whose sum is σ = 1126169473032. Its totient is φ = 1116290792992.

The previous prime is 1121230132999. The next prime is 1121230133021. The reversal of 1121230133011 is 1103310321211.

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 1121230133011 - 2¹¹ = 1121230130963 is a prime.

It is a super-2 number, since 2×1121230133011² (a number of 25 digits) contains 22 as substring.

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 1121230133011.

It is not an unprimeable number, because it can be changed into a prime (1121230133021) 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, 2469669670 + ... + 2469670123.

It is an arithmetic number, because the mean of its divisors is an integer number (281542368258).

Almost surely, 2^{1121230133011} is an apocalyptic number.

1121230133011 is a deficient number, since it is larger than the sum of its proper divisors (4939340021).

1121230133011 is an equidigital number, since it uses as much as digits as its factorization.

1121230133011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4939340020.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1121230133011 its reverse (1103310321211), we get a palindrome (2224540454222).

The spelling of 1121230133011 in words is "one trillion, one hundred twenty-one billion, two hundred thirty million, one hundred thirty-three thousand, eleven".