10121021101200 has 120 divisors (see below), whose sum is σ = 33211760623776. Its totient is φ = 2633111168000.

The previous prime is 10121021101097. The next prime is 10121021101271. The reversal of 10121021101200 is 210112012101.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 102806706 + ... + 102905105.

Almost surely, 2^{10121021101200} is an apocalyptic number.

10121021101200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10121021101200 is an abundant number, since it is smaller than the sum of its proper divisors (23090739522576).

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

10121021101200 is a wasteful number, since it uses less digits than its factorization.

10121021101200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205711873 (or 205711862 counting only the distinct ones).

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

Adding to 10121021101200 its reverse (210112012101), we get a palindrome (10331133113301).

The spelling of 10121021101200 in words is "ten trillion, one hundred twenty-one billion, twenty-one million, one hundred one thousand, two hundred".