2105422127 has 16 divisors (see below), whose sum is σ = 2235984000. Its totient is φ = 1979437824.

The previous prime is 2105422117. The next prime is 2105422141. The reversal of 2105422127 is 7212245012.

It is a cyclic number.

It is not a de Polignac number, because 2105422127 - 2¹² = 2105418031 is a prime.

It is a super-2 number, since 2×2105422127² = 8865604665722408258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2105422096 and 2105422105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2105422117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160949 + ... + 173537.

It is an arithmetic number, because the mean of its divisors is an integer number (139749000).

Almost surely, 2^2105422127 is an apocalyptic number.

2105422127 is a deficient number, since it is larger than the sum of its proper divisors (130561873).

2105422127 is a wasteful number, since it uses less digits than its factorization.

2105422127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12770.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 2105422127 is about 45884.8790670739. The cubic root of 2105422127 is about 1281.6803547489.

Adding to 2105422127 its reverse (7212245012), we get a palindrome (9317667139).

The spelling of 2105422127 in words is "two billion, one hundred five million, four hundred twenty-two thousand, one hundred twenty-seven".