11211131320232 has 32 divisors (see below), whose sum is σ = 21935401404480. Its totient is φ = 5361703818240.

The previous prime is 11211131320199. The next prime is 11211131320247. The reversal of 11211131320232 is 23202313111211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 11211131320198 and 11211131320207.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6354632 + ... + 7924872.

It is an arithmetic number, because the mean of its divisors is an integer number (685481293890).

Almost surely, 2^{11211131320232} is an apocalyptic number.

It is an amenable number.

11211131320232 is a deficient number, since it is larger than the sum of its proper divisors (10724270084248).

11211131320232 is a wasteful number, since it uses less digits than its factorization.

11211131320232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1609073 (or 1609069 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 11211131320232 its reverse (23202313111211), we get a palindrome (34413444431443).

The spelling of 11211131320232 in words is "eleven trillion, two hundred eleven billion, one hundred thirty-one million, three hundred twenty thousand, two hundred thirty-two".