101112211212100 has 288 divisors, whose sum is σ = 242882048304000. Its totient is φ = 36230976000000.

The previous prime is 101112211212097. The next prime is 101112211212101. The reversal of 101112211212100 is 1212112211101.

It is not an unprimeable number, because it can be changed into a prime (101112211212101) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 23303111731 + ... + 23303116069.

It is an arithmetic number, because the mean of its divisors is an integer number (843340445500).

Almost surely, 2^{101112211212100} is an apocalyptic number.

101112211212100 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 101112211212100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121441024152000).

101112211212100 is an abundant number, since it is smaller than the sum of its proper divisors (141769837091900).

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

101112211212100 is a wasteful number, since it uses less digits than its factorization.

101112211212100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5415 (or 5408 counting only the distinct ones).

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

Adding to 101112211212100 its reverse (1212112211101), we get a palindrome (102324323423201).

Subtracting from 101112211212100 its reverse (1212112211101), we obtain a palindrome (99900099000999).

The spelling of 101112211212100 in words is "one hundred one trillion, one hundred twelve billion, two hundred eleven million, two hundred twelve thousand, one hundred".