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10121100000 = 25355113067

10121100000 has 288 divisors, whose sum is σ = 36238430592. Its totient is φ = 2452800000.

The previous prime is 10121099999. The next prime is 10121100019. The reversal of 10121100000 is 112101.

Adding to 10121100000 its reverse (112101), we get a palindrome (10121212101).

10121100000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 3298467 + ... + 3301533.

It is an arithmetic number, because the mean of its divisors is an integer number (125827884).

Almost surely, 210121100000 is an apocalyptic number.

10121100000 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 10121100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18119215296).

10121100000 is an abundant number, since it is smaller than the sum of its proper divisors (26117330592).

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

10121100000 is an equidigital number, since it uses as much as digits as its factorization.

10121100000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3116 (or 3088 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 6.

The spelling of 10121100000 in words is "ten billion, one hundred twenty-one million, one hundred thousand".