101420442001 has 4 divisors (see below), whose sum is σ = 107386350372. Its totient is φ = 95454533632.

The previous prime is 101420441963. The next prime is 101420442007. The reversal of 101420442001 is 100244024101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 100244024101 = 13 ⋅7711078777.

It can be written as a sum of positive squares in 2 ways, for example, as 90327297025 + 11093144976 = 300545^2 + 105324^2 .

It is a cyclic number.

It is not a de Polignac number, because 101420442001 - 2²¹ = 101418344849 is a prime.

It is a super-2 number, since 2×101420442001² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101420442001.

It is not an unprimeable number, because it can be changed into a prime (101420442007) 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, 2982954160 + ... + 2982954193.

It is an arithmetic number, because the mean of its divisors is an integer number (26846587593).

Almost surely, 2^101420442001 is an apocalyptic number.

It is an amenable number.

101420442001 is a deficient number, since it is larger than the sum of its proper divisors (5965908371).

101420442001 is an equidigital number, since it uses as much as digits as its factorization.

101420442001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5965908370.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 101420442001 its reverse (100244024101), we get a palindrome (201664466102).

The spelling of 101420442001 in words is "one hundred one billion, four hundred twenty million, four hundred forty-two thousand, one".