211130012444 has 24 divisors (see below), whose sum is σ = 398014175328. Its totient is φ = 97416383040.

The previous prime is 211130012363. The next prime is 211130012479. The reversal of 211130012444 is 444210031112.

It is a super-4 number, since 4×211130012444⁴ (a number of 46 digits) contains 4444 as substring.

It is a congruent number.

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, 406592 + ... + 766535.

It is an arithmetic number, because the mean of its divisors is an integer number (16583923972).

Almost surely, 2^211130012444 is an apocalyptic number.

It is an amenable number.

211130012444 is a deficient number, since it is larger than the sum of its proper divisors (186884162884).

211130012444 is a wasteful number, since it uses less digits than its factorization.

211130012444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1176605 (or 1176603 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 211130012444 its reverse (444210031112), we get a palindrome (655340043556).

The spelling of 211130012444 in words is "two hundred eleven billion, one hundred thirty million, twelve thousand, four hundred forty-four".