1133012112221 has 4 divisors (see below), whose sum is σ = 1236013213344. Its totient is φ = 1030011011100.

The previous prime is 1133012112173. The next prime is 1133012112259. The reversal of 1133012112221 is 1222112103311.

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 1133012112221 - 2¹⁴ = 1133012095837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1133012112193 and 1133012112202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133012117221) 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, 51500550545 + ... + 51500550566.

It is an arithmetic number, because the mean of its divisors is an integer number (309003303336).

Almost surely, 2^{1133012112221} is an apocalyptic number.

1133012112221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1133012112221 is a deficient number, since it is larger than the sum of its proper divisors (103001101123).

1133012112221 is a wasteful number, since it uses less digits than its factorization.

1133012112221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103001101122.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1133012112221 its reverse (1222112103311), we get a palindrome (2355124215532).

The spelling of 1133012112221 in words is "one trillion, one hundred thirty-three billion, twelve million, one hundred twelve thousand, two hundred twenty-one".