10121000020110 has 96 divisors (see below), whose sum is σ = 30074525208000. Its totient is φ = 2313317850624.

The previous prime is 10121000020057. The next prime is 10121000020111. The reversal of 10121000020110 is 1102000012101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10121000020092 and 10121000020101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10121000020111) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31246266 + ... + 31568514.

It is an arithmetic number, because the mean of its divisors is an integer number (313276304250).

Almost surely, 2^{10121000020110} is an apocalyptic number.

10121000020110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10121000020110 is an abundant number, since it is smaller than the sum of its proper divisors (19953525187890).

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

10121000020110 is a wasteful number, since it uses less digits than its factorization.

10121000020110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372122 (or 372119 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 10121000020110 its reverse (1102000012101), we get a palindrome (11223000032211).

The spelling of 10121000020110 in words is "ten trillion, one hundred twenty-one billion, twenty thousand, one hundred ten".