10212222011100 has 144 divisors (see below), whose sum is σ = 30349603938528. Its totient is φ = 2649337666560.

The previous prime is 10212222011099. The next prime is 10212222011119. The reversal of 10212222011100 is 111022221201.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 10212222011100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 99993262 + ... + 100095338.

It is an arithmetic number, because the mean of its divisors is an integer number (210761138462).

Almost surely, 2^{10212222011100} is an apocalyptic number.

10212222011100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10212222011100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15174801969264).

10212222011100 is an abundant number, since it is smaller than the sum of its proper divisors (20137381927428).

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

10212222011100 is a wasteful number, since it uses less digits than its factorization.

10212222011100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111144 (or 111137 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 10212222011100 its reverse (111022221201), we get a palindrome (10323244232301).

The spelling of 10212222011100 in words is "ten trillion, two hundred twelve billion, two hundred twenty-two million, eleven thousand, one hundred".