40100122541 has 2 divisors, whose sum is σ = 40100122542. Its totient is φ = 40100122540.

The previous prime is 40100122493. The next prime is 40100122553. The reversal of 40100122541 is 14522100104.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33822888100 + 6277234441 = 183910^2 + 79229^2 .

It is a cyclic number.

It is not a de Polignac number, because 40100122541 - 2²² = 40095928237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40106122541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20050061270 + 20050061271.

It is an arithmetic number, because the mean of its divisors is an integer number (20050061271).

Almost surely, 2^40100122541 is an apocalyptic number.

It is an amenable number.

40100122541 is a deficient number, since it is larger than the sum of its proper divisors (1).

40100122541 is an equidigital number, since it uses as much as digits as its factorization.

40100122541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 40100122541 its reverse (14522100104), we get a palindrome (54622222645).

The spelling of 40100122541 in words is "forty billion, one hundred million, one hundred twenty-two thousand, five hundred forty-one".