210212121120122 has 8 divisors (see below), whose sum is σ = 343983470923872. Its totient is φ = 95550964145500.

The previous prime is 210212121120097. The next prime is 210212121120143. The reversal of 210212121120122 is 221021121212012.

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 = 210212121120094 and 210212121120103.

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, 4777548207254 + ... + 4777548207297.

It is an arithmetic number, because the mean of its divisors is an integer number (42997933865484).

Almost surely, 2^{210212121120122} is an apocalyptic number.

210212121120122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

210212121120122 is a deficient number, since it is larger than the sum of its proper divisors (133771349803750).

210212121120122 is a wasteful number, since it uses less digits than its factorization.

210212121120122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9555096414564.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 210212121120122 its reverse (221021121212012), we get a palindrome (431233242332134).

The spelling of 210212121120122 in words is "two hundred ten trillion, two hundred twelve billion, one hundred twenty-one million, one hundred twenty thousand, one hundred twenty-two".