10121021101000 has 64 divisors (see below), whose sum is σ = 23683753791360. Its totient is φ = 4048311960000.

The previous prime is 10121021100979. The next prime is 10121021101027. The reversal of 10121021101000 is 10112012101.

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 (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53997445 + ... + 54184555.

It is an arithmetic number, because the mean of its divisors is an integer number (370058652990).

Almost surely, 2^{10121021101000} is an apocalyptic number.

10121021101000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10121021101000 is an abundant number, since it is smaller than the sum of its proper divisors (13562732690360).

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

10121021101000 is a wasteful number, since it uses less digits than its factorization.

10121021101000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241223 (or 241209 counting only the distinct ones).

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

Adding to 10121021101000 its reverse (10112012101), we get a palindrome (10131133113101).

The spelling of 10121021101000 in words is "ten trillion, one hundred twenty-one billion, twenty-one million, one hundred one thousand".