210122012010121 has 8 divisors (see below), whose sum is σ = 210268315037088. Its totient is φ = 209975711040000.

The previous prime is 210122012010103. The next prime is 210122012010139. The reversal of 210122012010121 is 121010210221012.

It is an interprime number because it is at equal distance from previous prime (210122012010103) and next prime (210122012010139).

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

It is a cyclic number.

It is not a de Polignac number, because 210122012010121 - 2²⁵ = 210121978455689 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210122012010095 and 210122012010104.

It is not an unprimeable number, because it can be changed into a prime (210122012014121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244399561 + ... + 245257801.

It is an arithmetic number, because the mean of its divisors is an integer number (26283539379636).

Almost surely, 2^{210122012010121} is an apocalyptic number.

It is an amenable number.

210122012010121 is a deficient number, since it is larger than the sum of its proper divisors (146303026967).

210122012010121 is a wasteful number, since it uses less digits than its factorization.

210122012010121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028423.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 210122012010121 its reverse (121010210221012), we get a palindrome (331132222231133).

The spelling of 210122012010121 in words is "two hundred ten trillion, one hundred twenty-two billion, twelve million, ten thousand, one hundred twenty-one".