1011231233011 has 8 divisors (see below), whose sum is σ = 1013507318880. Its totient is φ = 1008957702912.

The previous prime is 1011231232969. The next prime is 1011231233029. The reversal of 1011231233011 is 1103321321101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1011231233011 - 2⁷ = 1011231232883 is a prime.

It is a super-2 number, since 2×1011231233011² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1011231233011.

It is not an unprimeable number, because it can be changed into a prime (1011231233611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154386 + ... + 1430488.

It is an arithmetic number, because the mean of its divisors is an integer number (126688414860).

Almost surely, 2^{1011231233011} is an apocalyptic number.

1011231233011 is a deficient number, since it is larger than the sum of its proper divisors (2276085869).

1011231233011 is an equidigital number, since it uses as much as digits as its factorization.

1011231233011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1277885.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1011231233011 its reverse (1103321321101), we get a palindrome (2114552554112).

The spelling of 1011231233011 in words is "one trillion, eleven billion, two hundred thirty-one million, two hundred thirty-three thousand, eleven".