101421144435 has 48 divisors (see below), whose sum is σ = 177329196000. Its totient is φ = 49472197632.

The previous prime is 101421144421. The next prime is 101421144439. The reversal of 101421144435 is 534441124101.

It is not a de Polignac number, because 101421144435 - 2⁵ = 101421144403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101421144439) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 92791 + ... + 459839.

It is an arithmetic number, because the mean of its divisors is an integer number (3694358250).

Almost surely, 2^101421144435 is an apocalyptic number.

101421144435 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

101421144435 is a deficient number, since it is larger than the sum of its proper divisors (75908051565).

101421144435 is a wasteful number, since it uses less digits than its factorization.

101421144435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367192 (or 367179 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

Adding to 101421144435 its reverse (534441124101), we get a palindrome (635862268536).

The spelling of 101421144435 in words is "one hundred one billion, four hundred twenty-one million, one hundred forty-four thousand, four hundred thirty-five".