212021100100110 has 256 divisors, whose sum is σ = 601732708761600. Its totient is φ = 46787034654720.

The previous prime is 212021100100099. The next prime is 212021100100211. The reversal of 212021100100110 is 11001001120212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 24373038541 + ... + 24373047239.

It is an arithmetic number, because the mean of its divisors is an integer number (2350518393600).

Almost surely, 2^{212021100100110} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212021100100110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (300866354380800).

212021100100110 is an abundant number, since it is smaller than the sum of its proper divisors (389711608661490).

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

212021100100110 is a wasteful number, since it uses less digits than its factorization.

212021100100110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17231.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 212021100100110 its reverse (11001001120212), we get a palindrome (223022101220322).

The spelling of 212021100100110 in words is "two hundred twelve trillion, twenty-one billion, one hundred million, one hundred thousand, one hundred ten".