213401211124 has 6 divisors (see below), whose sum is σ = 373452119474. Its totient is φ = 106700605560.

The previous prime is 213401211083. The next prime is 213401211161. The reversal of 213401211124 is 421112104312.

213401211124 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 149560092900 + 63841118224 = 386730^2 + 252668^2 .

It is a junction number, because it is equal to n+sod(n) for n = 213401211095 and 213401211104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26675151387 + ... + 26675151394.

Almost surely, 2^213401211124 is an apocalyptic number.

It is an amenable number.

213401211124 is a deficient number, since it is larger than the sum of its proper divisors (160050908350).

213401211124 is a wasteful number, since it uses less digits than its factorization.

213401211124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53350302785 (or 53350302783 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 213401211124 its reverse (421112104312), we get a palindrome (634513315436).

The spelling of 213401211124 in words is "two hundred thirteen billion, four hundred one million, two hundred eleven thousand, one hundred twenty-four".