213230103122 has 4 divisors (see below), whose sum is σ = 319845154686. Its totient is φ = 106615051560.

The previous prime is 213230103109. The next prime is 213230103137. The reversal of 213230103122 is 221301032312.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 160986315361 + 52243787761 = 401231^2 + 228569^2 .

It is a junction number, because it is equal to n+sod(n) for n = 213230103094 and 213230103103.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53307525779 + ... + 53307525782.

Almost surely, 2^213230103122 is an apocalyptic number.

213230103122 is a deficient number, since it is larger than the sum of its proper divisors (106615051564).

213230103122 is a wasteful number, since it uses less digits than its factorization.

213230103122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106615051563.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 213230103122 its reverse (221301032312), we get a palindrome (434531135434).

The spelling of 213230103122 in words is "two hundred thirteen billion, two hundred thirty million, one hundred three thousand, one hundred twenty-two".