1011212211233 has 8 divisors (see below), whose sum is σ = 1223651751552. Its totient is φ = 815767834176.

The previous prime is 1011212211203. The next prime is 1011212211241. The reversal of 1011212211233 is 3321122121101.

1011212211233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1011212211233 - 2²⁰ = 1011211162657 is a prime.

It is a super-2 number, since 2×1011212211233² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011212211203) 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, 4248790685 + ... + 4248790922.

It is an arithmetic number, because the mean of its divisors is an integer number (152956468944).

Almost surely, 2^{1011212211233} is an apocalyptic number.

It is an amenable number.

1011212211233 is a deficient number, since it is larger than the sum of its proper divisors (212439540319).

1011212211233 is an equidigital number, since it uses as much as digits as its factorization.

1011212211233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8497581631.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1011212211233 its reverse (3321122121101), we get a palindrome (4332334332334).

The spelling of 1011212211233 in words is "one trillion, eleven billion, two hundred twelve million, two hundred eleven thousand, two hundred thirty-three".