1011233133121 has 4 divisors (see below), whose sum is σ = 1015767811072. Its totient is φ = 1006698455172.

The previous prime is 1011233133107. The next prime is 1011233133151. The reversal of 1011233133121 is 1213313321101.

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 a de Polignac number, because none of the positive numbers 2^k-1011233133121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1011233133092 and 1011233133101.

It is not an unprimeable number, because it can be changed into a prime (1011233133151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2267338641 + ... + 2267339086.

It is an arithmetic number, because the mean of its divisors is an integer number (253941952768).

Almost surely, 2^{1011233133121} is an apocalyptic number.

It is an amenable number.

1011233133121 is a deficient number, since it is larger than the sum of its proper divisors (4534677951).

1011233133121 is an equidigital number, since it uses as much as digits as its factorization.

1011233133121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4534677950.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 1011233133121 its reverse (1213313321101), we get a palindrome (2224546454222).

The spelling of 1011233133121 in words is "one trillion, eleven billion, two hundred thirty-three million, one hundred thirty-three thousand, one hundred twenty-one".