1023111421200 has 300 divisors, whose sum is σ = 4005672074448. Its totient is φ = 248026924800.

The previous prime is 1023111421183. The next prime is 1023111421229. The reversal of 1023111421200 is 21241113201.

1023111421200 is a `hidden beast` number, since 1 + 0 + 2 + 31 + 11 + 421 + 200 = 666.

It is a tau number, because it is divible by the number of its divisors (300).

It is a Harshad number since it is a multiple of its sum of digits (18).

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 59 ways as a sum of consecutive naturals, for example, 1078942 + ... + 1791741.

Almost surely, 2^{1023111421200} is an apocalyptic number.

1023111421200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1023111421200 is an abundant number, since it is smaller than the sum of its proper divisors (2982560653248).

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

1023111421200 is a wasteful number, since it uses less digits than its factorization.

1023111421200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2870724 (or 2870704 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 1023111421200 its reverse (21241113201), we get a palindrome (1044352534401).

The spelling of 1023111421200 in words is "one trillion, twenty-three billion, one hundred eleven million, four hundred twenty-one thousand, two hundred".