211351223101044 has 48 divisors (see below), whose sum is σ = 531183261932288. Its totient is φ = 65019442739328.

The previous prime is 211351223101043. The next prime is 211351223101061. The reversal of 211351223101044 is 440101322153112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211351223101043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121034812 + ... + 122768595.

Almost surely, 2^{211351223101044} is an apocalyptic number.

It is an amenable number.

211351223101044 is an abundant number, since it is smaller than the sum of its proper divisors (319832038831244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211351223101044 is a wasteful number, since it uses less digits than its factorization.

211351223101044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243808984 (or 243808982 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

Adding to 211351223101044 its reverse (440101322153112), we get a palindrome (651452545254156).

The spelling of 211351223101044 in words is "two hundred eleven trillion, three hundred fifty-one billion, two hundred twenty-three million, one hundred one thousand, forty-four".