101121010000 has 50 divisors (see below), whose sum is σ = 244824101522. Its totient is φ = 40448400000.

The previous prime is 101121009971. The next prime is 101121010031. The reversal of 101121010000 is 10121101.

It can be written as a sum of positive squares in 5 ways, for example, as 25159035456 + 75961974544 = 158616^2 + 275612^2 .

It is a tau number, because it is divible by the number of its divisors (50).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5046051 + ... + 5066050.

Almost surely, 2^101121010000 is an apocalyptic number.

101121010000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101121010000 is an abundant number, since it is smaller than the sum of its proper divisors (143703091522).

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

101121010000 is an equidigital number, since it uses as much as digits as its factorization.

101121010000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10112129 (or 10112108 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 101121010000 its reverse (10121101), we get a palindrome (101131131101).

The spelling of 101121010000 in words is "one hundred one billion, one hundred twenty-one million, ten thousand".