211404302023124 has 18 divisors (see below), whose sum is σ = 430358757690330. Its totient is φ = 90601843724112.

The previous prime is 211404302023067. The next prime is 211404302023157. The reversal of 211404302023124 is 421320203404112.

It can be written as a sum of positive squares in only one way, i.e., 208375518707524 + 3028783315600 = 14435218^2 + 1740340^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 539296688639 + ... + 539296689030.

It is an arithmetic number, because the mean of its divisors is an integer number (23908819871685).

Almost surely, 2^{211404302023124} is an apocalyptic number.

It is an amenable number.

211404302023124 is an abundant number, since it is smaller than the sum of its proper divisors (218954455667206).

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

211404302023124 is a wasteful number, since it uses less digits than its factorization.

211404302023124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1078593377687 (or 1078593377678 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 211404302023124 its reverse (421320203404112), we get a palindrome (632724505427236).

The spelling of 211404302023124 in words is "two hundred eleven trillion, four hundred four billion, three hundred two million, twenty-three thousand, one hundred twenty-four".