101221340021340 has 96 divisors (see below), whose sum is σ = 353354496090624. Its totient is φ = 21033005717760.

The previous prime is 101221340021303. The next prime is 101221340021341. The reversal of 101221340021340 is 43120043122101.

101221340021340 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 101221340021340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101221340021341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10954685859 + ... + 10954695098.

It is an arithmetic number, because the mean of its divisors is an integer number (3680776000944).

Almost surely, 2^{101221340021340} is an apocalyptic number.

101221340021340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101221340021340 is an abundant number, since it is smaller than the sum of its proper divisors (252133156069284).

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

101221340021340 is a wasteful number, since it uses less digits than its factorization.

101221340021340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21909380987 (or 21909380985 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 101221340021340 its reverse (43120043122101), we get a palindrome (144341383143441).

The spelling of 101221340021340 in words is "one hundred one trillion, two hundred twenty-one billion, three hundred forty million, twenty-one thousand, three hundred forty".