1421123045100 has 144 divisors (see below), whose sum is σ = 4559115864576. Its totient is φ = 338866848000.

The previous prime is 1421123045093. The next prime is 1421123045129. The reversal of 1421123045100 is 15403211241.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3328564 + ... + 3731163.

Almost surely, 2^{1421123045100} is an apocalyptic number.

1421123045100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1421123045100 is an abundant number, since it is smaller than the sum of its proper divisors (3137992819476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1421123045100 is a wasteful number, since it uses less digits than its factorization.

1421123045100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7059816 (or 7059809 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 1421123045100 its reverse (15403211241), we get a palindrome (1436526256341).

The spelling of 1421123045100 in words is "one trillion, four hundred twenty-one billion, one hundred twenty-three million, forty-five thousand, one hundred".