420411102101 has 4 divisors (see below), whose sum is σ = 420570774732. Its totient is φ = 420251429472.

The previous prime is 420411102061. The next prime is 420411102107. The reversal of 420411102101 is 101201114024.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 116315102500 + 304095999601 = 341050^2 + 551449^2 .

It is a cyclic number.

It is not a de Polignac number, because 420411102101 - 2¹⁸ = 420410839957 is a prime.

It is a super-2 number, since 2×420411102101² (a number of 24 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 420411102101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420411102107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79832366 + ... + 79837631.

It is an arithmetic number, because the mean of its divisors is an integer number (105142693683).

Almost surely, 2^420411102101 is an apocalyptic number.

It is an amenable number.

420411102101 is a deficient number, since it is larger than the sum of its proper divisors (159672631).

420411102101 is a wasteful number, since it uses less digits than its factorization.

420411102101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159672630.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 420411102101 its reverse (101201114024), we get a palindrome (521612216125).

The spelling of 420411102101 in words is "four hundred twenty billion, four hundred eleven million, one hundred two thousand, one hundred one".