101221130414040 has 512 divisors, whose sum is σ = 380321713981440. Its totient is φ = 20983652352000.

The previous prime is 101221130414029. The next prime is 101221130414071. The reversal of 101221130414040 is 40414031122101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 101221130414040.

It is a congruent number.

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 127 ways as a sum of consecutive naturals, for example, 144132232 + ... + 144832808.

It is an arithmetic number, because the mean of its divisors is an integer number (742815847620).

Almost surely, 2^{101221130414040} is an apocalyptic number.

101221130414040 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 101221130414040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190160856990720).

101221130414040 is an abundant number, since it is smaller than the sum of its proper divisors (279100583567400).

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

101221130414040 is a wasteful number, since it uses less digits than its factorization.

101221130414040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700843 (or 700839 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 101221130414040 its reverse (40414031122101), we get a palindrome (141635161536141).

The spelling of 101221130414040 in words is "one hundred one trillion, two hundred twenty-one billion, one hundred thirty million, four hundred fourteen thousand, forty".