101335421 has 16 divisors (see below), whose sum is σ = 112451328. Its totient is φ = 90552000.

The previous prime is 101335411. The next prime is 101335469. The reversal of 101335421 is 124533101.

It is a de Polignac number, because none of the positive numbers 2^k-101335421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101335393 and 101335402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101335411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218636 + ... + 219098.

It is an arithmetic number, because the mean of its divisors is an integer number (7028208).

Almost surely, 2^101335421 is an apocalyptic number.

101335421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

101335421 is a deficient number, since it is larger than the sum of its proper divisors (11115907).

101335421 is a wasteful number, since it uses less digits than its factorization.

101335421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 101335421 is about 10066.5496074872. The cubic root of 101335421 is about 466.2159120907.

Adding to 101335421 its reverse (124533101), we get a palindrome (225868522).

The spelling of 101335421 in words is "one hundred one million, three hundred thirty-five thousand, four hundred twenty-one".