2231121103033 has 4 divisors (see below), whose sum is σ = 2240378867188. Its totient is φ = 2221863338880.

The previous prime is 2231121102979. The next prime is 2231121103067. The reversal of 2231121103033 is 3303011211322.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 946190034729 + 1284931068304 = 972723^2 + 1133548^2 .

It is a cyclic number.

It is not a de Polignac number, because 2231121103033 - 2³³ = 2222531168441 is a prime.

It is a super-3 number, since 3×2231121103033³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2231121102995 and 2231121103013.

It is not an unprimeable number, because it can be changed into a prime (2231121103933) 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, 4628881716 + ... + 4628882197.

It is an arithmetic number, because the mean of its divisors is an integer number (560094716797).

Almost surely, 2^{2231121103033} is an apocalyptic number.

It is an amenable number.

2231121103033 is a deficient number, since it is larger than the sum of its proper divisors (9257764155).

2231121103033 is an equidigital number, since it uses as much as digits as its factorization.

2231121103033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9257764154.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 2231121103033 its reverse (3303011211322), we get a palindrome (5534132314355).

The spelling of 2231121103033 in words is "two trillion, two hundred thirty-one billion, one hundred twenty-one million, one hundred three thousand, thirty-three".