101221310130000 has 400 divisors, whose sum is σ = 329465705226240. Its totient is φ = 26768677824000.

The previous prime is 101221310129983. The next prime is 101221310130029. The reversal of 101221310130000 is 31013122101.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (400).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 13483586247 + ... + 13483593753.

Almost surely, 2^{101221310130000} is an apocalyptic number.

101221310130000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101221310130000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164732852613120).

101221310130000 is an abundant number, since it is smaller than the sum of its proper divisors (228244395096240).

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

101221310130000 is a wasteful number, since it uses less digits than its factorization.

101221310130000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11204 (or 11183 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 101221310130000 its reverse (31013122101), we get a palindrome (101252323252101).

The spelling of 101221310130000 in words is "one hundred one trillion, two hundred twenty-one billion, three hundred ten million, one hundred thirty thousand".