43051422101 has 2 divisors, whose sum is σ = 43051422102. Its totient is φ = 43051422100.

The previous prime is 43051422097. The next prime is 43051422121. The reversal of 43051422101 is 10122415034.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27426672100 + 15624750001 = 165610^2 + 124999^2 .

It is a cyclic number.

It is not a de Polignac number, because 43051422101 - 2² = 43051422097 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43051422121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21525711050 + 21525711051.

It is an arithmetic number, because the mean of its divisors is an integer number (21525711051).

Almost surely, 2^43051422101 is an apocalyptic number.

It is an amenable number.

43051422101 is a deficient number, since it is larger than the sum of its proper divisors (1).

43051422101 is an equidigital number, since it uses as much as digits as its factorization.

43051422101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 43051422101 its reverse (10122415034), we get a palindrome (53173837135).

The spelling of 43051422101 in words is "forty-three billion, fifty-one million, four hundred twenty-two thousand, one hundred one".