10102111102212 has 12 divisors (see below), whose sum is σ = 23571592571856. Its totient is φ = 3367370367400.

The previous prime is 10102111102157. The next prime is 10102111102217. The reversal of 10102111102212 is 21220111120101.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×10102111102212² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10102111102191 and 10102111102200.

It is not an unprimeable number, because it can be changed into a prime (10102111102217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 420921295914 + ... + 420921295937.

It is an arithmetic number, because the mean of its divisors is an integer number (1964299380988).

Almost surely, 2^{10102111102212} is an apocalyptic number.

10102111102212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10102111102212 is an abundant number, since it is smaller than the sum of its proper divisors (13469481469644).

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

10102111102212 is a wasteful number, since it uses less digits than its factorization.

10102111102212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841842591858 (or 841842591856 counting only the distinct ones).

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

Adding to 10102111102212 its reverse (21220111120101), we get a palindrome (31322222222313).

The spelling of 10102111102212 in words is "ten trillion, one hundred two billion, one hundred eleven million, one hundred two thousand, two hundred twelve".