101432434221 has 32 divisors (see below), whose sum is σ = 151965475200. Its totient is φ = 66862523520.

The previous prime is 101432434199. The next prime is 101432434231. The reversal of 101432434221 is 122434234101.

101432434221 is a `hidden beast` number, since 1 + 0 + 1 + 4 + 3 + 2 + 434 + 221 = 666.

It is not a de Polignac number, because 101432434221 - 2⁶ = 101432434157 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101432434231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 927985 + ... + 1031513.

It is an arithmetic number, because the mean of its divisors is an integer number (4748921100).

Almost surely, 2^101432434221 is an apocalyptic number.

It is an amenable number.

101432434221 is a deficient number, since it is larger than the sum of its proper divisors (50533040979).

101432434221 is a wasteful number, since it uses less digits than its factorization.

101432434221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103946 (or 103940 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 101432434221 its reverse (122434234101), we get a palindrome (223866668322).

The spelling of 101432434221 in words is "one hundred one billion, four hundred thirty-two million, four hundred thirty-four thousand, two hundred twenty-one".