10121210001100 has 72 divisors (see below), whose sum is σ = 24120467910000. Its totient is φ = 3655739001600.

The previous prime is 10121210000987. The next prime is 10121210001163. The reversal of 10121210001100 is 110001212101.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30712275 + ... + 31040074.

It is an arithmetic number, because the mean of its divisors is an integer number (335006498750).

Almost surely, 2^{10121210001100} is an apocalyptic number.

10121210001100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10121210001100 is an abundant number, since it is smaller than the sum of its proper divisors (13999257908900).

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

10121210001100 is a wasteful number, since it uses less digits than its factorization.

10121210001100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61752523 (or 61752516 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 10121210001100 its reverse (110001212101), we get a palindrome (10231211213201).

The spelling of 10121210001100 in words is "ten trillion, one hundred twenty-one billion, two hundred ten million, one thousand, one hundred".