101405544234421 has 4 divisors (see below), whose sum is σ = 115892050553632. Its totient is φ = 86919037915212.

The previous prime is 101405544234409. The next prime is 101405544234433. The reversal of 101405544234421 is 124432445504101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (101405544234409) and next prime (101405544234433).

It is a cyclic number.

It is not a de Polignac number, because 101405544234421 - 2⁹ = 101405544233909 is a prime.

It is a super-2 number, since 2×101405544234421² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101405544234521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7243253159595 + ... + 7243253159608.

It is an arithmetic number, because the mean of its divisors is an integer number (28973012638408).

Almost surely, 2^{101405544234421} is an apocalyptic number.

It is an amenable number.

101405544234421 is a deficient number, since it is larger than the sum of its proper divisors (14486506319211).

101405544234421 is an equidigital number, since it uses as much as digits as its factorization.

101405544234421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14486506319210.

The product of its (nonzero) digits is 307200, while the sum is 40.

Adding to 101405544234421 its reverse (124432445504101), we get a palindrome (225837989738522).

The spelling of 101405544234421 in words is "one hundred one trillion, four hundred five billion, five hundred forty-four million, two hundred thirty-four thousand, four hundred twenty-one".