213120022 has 4 divisors (see below), whose sum is σ = 319680036. Its totient is φ = 106560010.

The previous prime is 213119993. The next prime is 213120029. The reversal of 213120022 is 220021312.

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

It is a junction number, because it is equal to n+sod(n) for n = 213119984 and 213120011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213120029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53280004 + ... + 53280007.

It is an arithmetic number, because the mean of its divisors is an integer number (79920009).

Almost surely, 2^213120022 is an apocalyptic number.

213120022 is a deficient number, since it is larger than the sum of its proper divisors (106560014).

213120022 is a wasteful number, since it uses less digits than its factorization.

213120022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106560013.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 213120022 is about 14598.6308262111. The cubic root of 213120022 is about 597.3214134554.

Adding to 213120022 its reverse (220021312), we get a palindrome (433141334).

The spelling of 213120022 in words is "two hundred thirteen million, one hundred twenty thousand, twenty-two".