210010321221121 has 4 divisors (see below), whose sum is σ = 210022015115200. Its totient is φ = 209998627327044.

The previous prime is 210010321221017. The next prime is 210010321221131. The reversal of 210010321221121 is 121122123010012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 210010321221121 - 2¹¹ = 210010321219073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210010321221131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5846920101 + ... + 5846956018.

It is an arithmetic number, because the mean of its divisors is an integer number (52505503778800).

Almost surely, 2^{210010321221121} is an apocalyptic number.

It is an amenable number.

210010321221121 is a deficient number, since it is larger than the sum of its proper divisors (11693894079).

210010321221121 is a wasteful number, since it uses less digits than its factorization.

210010321221121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11693894078.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 210010321221121 its reverse (121122123010012), we get a palindrome (331132444231133).

The spelling of 210010321221121 in words is "two hundred ten trillion, ten billion, three hundred twenty-one million, two hundred twenty-one thousand, one hundred twenty-one".