10122110210021 has 8 divisors (see below), whose sum is σ = 10162480583424. Its totient is φ = 10081772254080.

The previous prime is 10122110209979. The next prime is 10122110210053. The reversal of 10122110210021 is 12001201122101.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10122110210021 is a prime.

It is a super-2 number, since 2×10122110210021² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10122110209978 and 10122110210005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10122110210921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7478540 + ... + 8727701.

It is an arithmetic number, because the mean of its divisors is an integer number (1270310072928).

Almost surely, 2^{10122110210021} is an apocalyptic number.

It is an amenable number.

10122110210021 is a deficient number, since it is larger than the sum of its proper divisors (40370373403).

10122110210021 is a wasteful number, since it uses less digits than its factorization.

10122110210021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16208731.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10122110210021 its reverse (12001201122101), we get a palindrome (22123311332122).

The spelling of 10122110210021 in words is "ten trillion, one hundred twenty-two billion, one hundred ten million, two hundred ten thousand, twenty-one".