1421203200100 has 72 divisors (see below), whose sum is σ = 3276582238440. Its totient is φ = 534043883520.

The previous prime is 1421203200091. The next prime is 1421203200119. The reversal of 1421203200100 is 10023021241.

It can be written as a sum of positive squares in 12 ways, for example, as 120786831936 + 1300416368164 = 347544^2 + 1140358^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6515269 + ... + 6729868.

It is an arithmetic number, because the mean of its divisors is an integer number (45508086645).

Almost surely, 2^{1421203200100} is an apocalyptic number.

1421203200100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1421203200100 is an abundant number, since it is smaller than the sum of its proper divisors (1855379038340).

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

1421203200100 is a wasteful number, since it uses less digits than its factorization.

1421203200100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13245217 (or 13245210 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1421203200100 its reverse (10023021241), we get a palindrome (1431226221341).

The spelling of 1421203200100 in words is "one trillion, four hundred twenty-one billion, two hundred three million, two hundred thousand, one hundred".