10121210221100 has 36 divisors (see below), whose sum is σ = 23959664926008. Its totient is φ = 3680440080000.

The previous prime is 10121210221093. The next prime is 10121210221103. The reversal of 10121210221100 is 112201212101.

It is a super-2 number, since 2×10121210221100² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10121210221103) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 4600549001 + ... + 4600551200.

Almost surely, 2^{10121210221100} is an apocalyptic number.

10121210221100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10121210221100 is an abundant number, since it is smaller than the sum of its proper divisors (13838454704908).

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

10121210221100 is a wasteful number, since it uses less digits than its factorization.

10121210221100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9201100226 (or 9201100219 counting only the distinct ones).

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

Adding to 10121210221100 its reverse (112201212101), we get a palindrome (10233411433201).

The spelling of 10121210221100 in words is "ten trillion, one hundred twenty-one billion, two hundred ten million, two hundred twenty-one thousand, one hundred".