210122100010111 has 8 divisors (see below), whose sum is σ = 221182005715200. Its totient is φ = 199062279086040.

The previous prime is 210122100010061. The next prime is 210122100010139. The reversal of 210122100010111 is 111010001221012.

It is a happy number.

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

It is not a de Polignac number, because 210122100010111 - 2³³ = 210113510075519 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210122100010091 and 210122100010100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210122100017111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16076281 + ... + 26051698.

It is an arithmetic number, because the mean of its divisors is an integer number (27647750714400).

Almost surely, 2^{210122100010111} is an apocalyptic number.

210122100010111 is a deficient number, since it is larger than the sum of its proper divisors (11059905705089).

210122100010111 is a wasteful number, since it uses less digits than its factorization.

210122100010111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42390509.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 210122100010111 its reverse (111010001221012), we get a palindrome (321132101231123).

The spelling of 210122100010111 in words is "two hundred ten trillion, one hundred twenty-two billion, one hundred million, ten thousand, one hundred eleven".