1421242041100 has 144 divisors (see below), whose sum is σ = 3541129353216. Its totient is φ = 485013600000.

The previous prime is 1421242041073. The next prime is 1421242041101. The reversal of 1421242041100 is 11402421241.

It is not an unprimeable number, because it can be changed into a prime (1421242041101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 163488354 + ... + 163497046.

It is an arithmetic number, because the mean of its divisors is an integer number (24591176064).

Almost surely, 2^{1421242041100} is an apocalyptic number.

1421242041100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1421242041100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1770564676608).

1421242041100 is an abundant number, since it is smaller than the sum of its proper divisors (2119887312116).

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

1421242041100 is a wasteful number, since it uses less digits than its factorization.

1421242041100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9776 (or 9769 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 1421242041100 its reverse (11402421241), we get a palindrome (1432644462341).

The spelling of 1421242041100 in words is "one trillion, four hundred twenty-one billion, two hundred forty-two million, forty-one thousand, one hundred".