1033121121231 has 4 divisors (see below), whose sum is σ = 1377494828312. Its totient is φ = 688747414152.

The previous prime is 1033121121229. The next prime is 1033121121257. The reversal of 1033121121231 is 1321211213301.

1033121121231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 1033121121231 - 2¹ = 1033121121229 is a prime.

It is a super-2 number, since 2×1033121121231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1033121121198 and 1033121121207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1033121121031) 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, 172186853536 + ... + 172186853541.

It is an arithmetic number, because the mean of its divisors is an integer number (344373707078).

Almost surely, 2^{1033121121231} is an apocalyptic number.

1033121121231 is a deficient number, since it is larger than the sum of its proper divisors (344373707081).

1033121121231 is an equidigital number, since it uses as much as digits as its factorization.

1033121121231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344373707080.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 1033121121231 its reverse (1321211213301), we get a palindrome (2354332334532).

The spelling of 1033121121231 in words is "one trillion, thirty-three billion, one hundred twenty-one million, one hundred twenty-one thousand, two hundred thirty-one".