1033440132121 has 4 divisors (see below), whose sum is σ = 1058645989044. Its totient is φ = 1008234275200.

The previous prime is 1033440132103. The next prime is 1033440132133. The reversal of 1033440132121 is 1212310443301.

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 350536227721 + 682903904400 = 592061^2 + 826380^2 .

It is a cyclic number.

It is not a de Polignac number, because 1033440132121 - 2¹³ = 1033440123929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1033440132181) 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, 12602928400 + ... + 12602928481.

It is an arithmetic number, because the mean of its divisors is an integer number (264661497261).

Almost surely, 2^{1033440132121} is an apocalyptic number.

It is an amenable number.

1033440132121 is a deficient number, since it is larger than the sum of its proper divisors (25205856923).

1033440132121 is an equidigital number, since it uses as much as digits as its factorization.

1033440132121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25205856922.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 1033440132121 its reverse (1212310443301), we get a palindrome (2245750575422).

The spelling of 1033440132121 in words is "one trillion, thirty-three billion, four hundred forty million, one hundred thirty-two thousand, one hundred twenty-one".