101421222240 has 96 divisors (see below), whose sum is σ = 344052013536. Its totient is φ = 24965222400.

The previous prime is 101421222239. The next prime is 101421222263. The reversal of 101421222240 is 42222124101.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8120461 + ... + 8132940.

It is an arithmetic number, because the mean of its divisors is an integer number (3583875141).

Almost surely, 2^101421222240 is an apocalyptic number.

101421222240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101421222240 is an abundant number, since it is smaller than the sum of its proper divisors (242630791296).

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

101421222240 is a wasteful number, since it uses less digits than its factorization.

101421222240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16253432 (or 16253424 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 101421222240 its reverse (42222124101), we get a palindrome (143643346341).

The spelling of 101421222240 in words is "one hundred one billion, four hundred twenty-one million, two hundred twenty-two thousand, two hundred forty".