1011433421211 has 8 divisors (see below), whose sum is σ = 1348762131024. Its totient is φ = 674196829440.

The previous prime is 1011433421203. The next prime is 1011433421333. The reversal of 1011433421211 is 1121243341101.

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

It is not a de Polignac number, because 1011433421211 - 2³ = 1011433421203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1011433421711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23003886 + ... + 23047811.

It is an arithmetic number, because the mean of its divisors is an integer number (168595266378).

Almost surely, 2^{1011433421211} is an apocalyptic number.

1011433421211 is a deficient number, since it is larger than the sum of its proper divisors (337328709813).

1011433421211 is an equidigital number, since it uses as much as digits as its factorization.

1011433421211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46059021.

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 1011433421211 its reverse (1121243341101), we get a palindrome (2132676762312).

The spelling of 1011433421211 in words is "one trillion, eleven billion, four hundred thirty-three million, four hundred twenty-one thousand, two hundred eleven".