101420424029 has 4 divisors (see below), whose sum is σ = 104917680060. Its totient is φ = 97923168000.

The previous prime is 101420423941. The next prime is 101420424041. The reversal of 101420424029 is 920424024101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 920424024101 = 17 ⋅54142589653.

It can be written as a sum of positive squares in 2 ways, for example, as 65367148900 + 36053275129 = 255670^2 + 189877^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101420424029 is a prime.

It is a super-2 number, since 2×101420424029² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 3497256001 = 101420424029 / (1 + 0 + 1 + 4 + 2 + 0 + 4 + 2 + 4 + 0 + 2 + 9).

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 101420423992 and 101420424010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101420420029) 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, 1748627972 + ... + 1748628029.

It is an arithmetic number, because the mean of its divisors is an integer number (26229420015).

Almost surely, 2^101420424029 is an apocalyptic number.

It is an amenable number.

101420424029 is a deficient number, since it is larger than the sum of its proper divisors (3497256031).

101420424029 is an equidigital number, since it uses as much as digits as its factorization.

101420424029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3497256030.

The product of its (nonzero) digits is 4608, while the sum is 29.

The spelling of 101420424029 in words is "one hundred one billion, four hundred twenty million, four hundred twenty-four thousand, twenty-nine".