10122111100212 has 24 divisors (see below), whose sum is σ = 24256590565536. Its totient is φ = 3282846843168.

The previous prime is 10122111100193. The next prime is 10122111100217. The reversal of 10122111100212 is 21200111122101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10122111100191 and 10122111100200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10122111100217) 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, 11398773318 + ... + 11398774205.

It is an arithmetic number, because the mean of its divisors is an integer number (1010691273564).

Almost surely, 2^{10122111100212} is an apocalyptic number.

10122111100212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10122111100212 is an abundant number, since it is smaller than the sum of its proper divisors (14134479465324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10122111100212 is a wasteful number, since it uses less digits than its factorization.

10122111100212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22797547567 (or 22797547565 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 10122111100212 its reverse (21200111122101), we get a palindrome (31322222222313).

The spelling of 10122111100212 in words is "ten trillion, one hundred twenty-two billion, one hundred eleven million, one hundred thousand, two hundred twelve".