10211022111200 has 144 divisors (see below), whose sum is σ = 25526320585920. Its totient is φ = 3986783877120.

The previous prime is 10211022111187. The next prime is 10211022111287. The reversal of 10211022111200 is 211122011201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13660766 + ... + 14388834.

It is an arithmetic number, because the mean of its divisors is an integer number (177266115180).

Almost surely, 2^{10211022111200} is an apocalyptic number.

10211022111200 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 10211022111200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12763160292960).

10211022111200 is an abundant number, since it is smaller than the sum of its proper divisors (15315298474720).

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

10211022111200 is a wasteful number, since it uses less digits than its factorization.

10211022111200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728509 (or 728496 counting only the distinct ones).

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

Adding to 10211022111200 its reverse (211122011201), we get a palindrome (10422144122401).

Subtracting from 10211022111200 its reverse (211122011201), we obtain a palindrome (9999900099999).

The spelling of 10211022111200 in words is "ten trillion, two hundred eleven billion, twenty-two million, one hundred eleven thousand, two hundred".