30221121121200 has 90 divisors (see below), whose sum is σ = 104875685058924. Its totient is φ = 8058965631360.

The previous prime is 30221121121181. The next prime is 30221121121337. The reversal of 30221121121200 is 212112112203.

30221121121200 is a `hidden beast` number, since 3 + 0 + 221 + 121 + 121 + 200 = 666.

It is a tau number, because it is divible by the number of its divisors (90).

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

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4197374334 + ... + 4197381533.

Almost surely, 2^{30221121121200} is an apocalyptic number.

30221121121200 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30221121121200 is an abundant number, since it is smaller than the sum of its proper divisors (74654563937724).

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

30221121121200 is a wasteful number, since it uses less digits than its factorization.

30221121121200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8394755891 (or 8394755877 counting only the distinct ones).

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

Adding to 30221121121200 its reverse (212112112203), we get a palindrome (30433233233403).

The spelling of 30221121121200 in words is "thirty trillion, two hundred twenty-one billion, one hundred twenty-one million, one hundred twenty-one thousand, two hundred".