21130330333200 has 180 divisors, whose sum is σ = 74400301086384. Its totient is φ = 5122504288000.

The previous prime is 21130330333163. The next prime is 21130330333249. The reversal of 21130330333200 is 233303303112.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 72617646 + ... + 72908045.

Almost surely, 2^{21130330333200} is an apocalyptic number.

21130330333200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21130330333200 is an abundant number, since it is smaller than the sum of its proper divisors (53269970753184).

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

21130330333200 is a wasteful number, since it uses less digits than its factorization.

21130330333200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145525734 (or 145525712 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 24.

Adding to 21130330333200 its reverse (233303303112), we get a palindrome (21363633636312).

It can be divided in two parts, 211303 and 30333200, that added together give a palindrome (30544503).

The spelling of 21130330333200 in words is "twenty-one trillion, one hundred thirty billion, three hundred thirty million, three hundred thirty-three thousand, two hundred".