2421376105501 has 2 divisors, whose sum is σ = 2421376105502. Its totient is φ = 2421376105500.

The previous prime is 2421376105493. The next prime is 2421376105507. The reversal of 2421376105501 is 1055016731242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2382438555225 + 38937550276 = 1543515^2 + 197326^2 .

It is a cyclic number.

It is not a de Polignac number, because 2421376105501 - 2³ = 2421376105493 is a prime.

It is a super-2 number, since 2×2421376105501² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2421376105507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210688052750 + 1210688052751.

It is an arithmetic number, because the mean of its divisors is an integer number (1210688052751).

Almost surely, 2^{2421376105501} is an apocalyptic number.

It is an amenable number.

2421376105501 is a deficient number, since it is larger than the sum of its proper divisors (1).

2421376105501 is an equidigital number, since it uses as much as digits as its factorization.

2421376105501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50400, while the sum is 37.

The spelling of 2421376105501 in words is "two trillion, four hundred twenty-one billion, three hundred seventy-six million, one hundred five thousand, five hundred one".