101420311421 has 16 divisors (see below), whose sum is σ = 119160961920. Its totient is φ = 85100934720.

The previous prime is 101420311409. The next prime is 101420311439. The reversal of 101420311421 is 124113024101.

It is a cyclic number.

It is not a de Polignac number, because 101420311421 - 2¹⁸ = 101420049277 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101420311393 and 101420311402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101420311921) 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 15 ways as a sum of consecutive naturals, for example, 2433071 + ... + 2474403.

It is an arithmetic number, because the mean of its divisors is an integer number (7447560120).

Almost surely, 2^101420311421 is an apocalyptic number.

101420311421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

101420311421 is a deficient number, since it is larger than the sum of its proper divisors (17740650499).

101420311421 is a wasteful number, since it uses less digits than its factorization.

101420311421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58516.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 101420311421 its reverse (124113024101), we get a palindrome (225533335522).

The spelling of 101420311421 in words is "one hundred one billion, four hundred twenty million, three hundred eleven thousand, four hundred twenty-one".