42401202101 has 8 divisors (see below), whose sum is σ = 43819766424. Its totient is φ = 41000942080.

The previous prime is 42401202097. The next prime is 42401202133. The reversal of 42401202101 is 10120210424.

It can be written as a sum of positive squares in 4 ways, for example, as 539632900 + 41861569201 = 23230^2 + 204601^2 .

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 42401202101 - 2² = 42401202097 is a prime.

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 42401202101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42401202191) 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, 4571366 + ... + 4580631.

It is an arithmetic number, because the mean of its divisors is an integer number (5477470803).

Almost surely, 2^42401202101 is an apocalyptic number.

42401202101 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

42401202101 is a deficient number, since it is larger than the sum of its proper divisors (1418564323).

42401202101 is a wasteful number, since it uses less digits than its factorization.

42401202101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9152151.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 42401202101 its reverse (10120210424), we get a palindrome (52521412525).

The spelling of 42401202101 in words is "forty-two billion, four hundred one million, two hundred two thousand, one hundred one".