213020122 has 8 divisors (see below), whose sum is σ = 365177376. Its totient is φ = 91294332.

The previous prime is 213020069. The next prime is 213020161. The reversal of 213020122 is 221020312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7607848 + ... + 7607875.

It is an arithmetic number, because the mean of its divisors is an integer number (45647172).

Almost surely, 2^213020122 is an apocalyptic number.

213020122 is a deficient number, since it is larger than the sum of its proper divisors (152157254).

213020122 is a wasteful number, since it uses less digits than its factorization.

213020122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15215732.

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

The square root of 213020122 is about 14595.2088714071. The cubic root of 213020122 is about 597.2280674073.

Adding to 213020122 its reverse (221020312), we get a palindrome (434040434).

The spelling of 213020122 in words is "two hundred thirteen million, twenty thousand, one hundred twenty-two".