211235304334444 has 24 divisors (see below), whose sum is σ = 398100131618000. Its totient is φ = 97492524986304.

The previous prime is 211235304334427. The next prime is 211235304334471. The reversal of 211235304334444 is 444433403532112.

It is a super-2 number, since 2×211235304334444² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 211235304334444.

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, 6996279 + ... + 21712174.

Almost surely, 2^{211235304334444} is an apocalyptic number.

It is an amenable number.

211235304334444 is a deficient number, since it is larger than the sum of its proper divisors (186864827283556).

211235304334444 is a wasteful number, since it uses less digits than its factorization.

211235304334444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28849969 (or 28849967 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 43.

Adding to 211235304334444 its reverse (444433403532112), we get a palindrome (655668707866556).

The spelling of 211235304334444 in words is "two hundred eleven trillion, two hundred thirty-five billion, three hundred four million, three hundred thirty-four thousand, four hundred forty-four".