43100420101 has 2 divisors, whose sum is σ = 43100420102. Its totient is φ = 43100420100.

The previous prime is 43100420089. The next prime is 43100420189. The reversal of 43100420101 is 10102400134.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30852571201 + 12247848900 = 175649^2 + 110670^2 .

It is a cyclic number.

It is not a de Polignac number, because 43100420101 - 2¹³ = 43100411909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43100430101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21550210050 + 21550210051.

It is an arithmetic number, because the mean of its divisors is an integer number (21550210051).

Almost surely, 2^43100420101 is an apocalyptic number.

It is an amenable number.

43100420101 is a deficient number, since it is larger than the sum of its proper divisors (1).

43100420101 is an equidigital number, since it uses as much as digits as its factorization.

43100420101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 43100420101 its reverse (10102400134), we get a palindrome (53202820235).

The spelling of 43100420101 in words is "forty-three billion, one hundred million, four hundred twenty thousand, one hundred one".