1421342121110 has 32 divisors (see below), whose sum is σ = 2649420461952. Its totient is φ = 548665303680.

The previous prime is 1421342121097. The next prime is 1421342121113. The reversal of 1421342121110 is 111212431241.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421342121113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21949454 + ... + 22014113.

It is an arithmetic number, because the mean of its divisors is an integer number (82794389436).

Almost surely, 2^{1421342121110} is an apocalyptic number.

1421342121110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1421342121110 is a deficient number, since it is larger than the sum of its proper divisors (1228078340842).

1421342121110 is a wasteful number, since it uses less digits than its factorization.

1421342121110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43963688.

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 1421342121110 its reverse (111212431241), we get a palindrome (1532554552351).

The spelling of 1421342121110 in words is "one trillion, four hundred twenty-one billion, three hundred forty-two million, one hundred twenty-one thousand, one hundred ten".