213011210122 has 8 divisors (see below), whose sum is σ = 319713204096. Its totient is φ = 106440142092.

The previous prime is 213011210117. The next prime is 213011210171. The reversal of 213011210122 is 221012110312.

213011210122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 213011210096 and 213011210105.

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 in 3 ways as a sum of consecutive naturals, for example, 32727418 + ... + 32733925.

It is an arithmetic number, because the mean of its divisors is an integer number (39964150512).

Almost surely, 2^213011210122 is an apocalyptic number.

213011210122 is a deficient number, since it is larger than the sum of its proper divisors (106701993974).

213011210122 is a wasteful number, since it uses less digits than its factorization.

213011210122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65462972.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 213011210122 its reverse (221012110312), we get a palindrome (434023320434).

The spelling of 213011210122 in words is "two hundred thirteen billion, eleven million, two hundred ten thousand, one hundred twenty-two".