101401421 has 8 divisors (see below), whose sum is σ = 110726784. Its totient is φ = 92093920.

The previous prime is 101401409. The next prime is 101401427. The reversal of 101401421 is 124104101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 101401421 - 2⁶ = 101401357 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101401396 and 101401405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101401427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9260 + ... + 16986.

It is an arithmetic number, because the mean of its divisors is an integer number (13840848).

Almost surely, 2^101401421 is an apocalyptic number.

101401421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

101401421 is a deficient number, since it is larger than the sum of its proper divisors (9325363).

101401421 is a wasteful number, since it uses less digits than its factorization.

101401421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8931.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 101401421 is about 10069.8272577041. The cubic root of 101401421 is about 466.3171059677.

Adding to 101401421 its reverse (124104101), we get a palindrome (225505522).

The spelling of 101401421 in words is "one hundred one million, four hundred one thousand, four hundred twenty-one".