321230011121100 has 144 divisors (see below), whose sum is σ = 1038045751687840. Its totient is φ = 85217495040000.

The previous prime is 321230011121069. The next prime is 321230011121147. The reversal of 321230011121100 is 1121110032123.

321230011121100 is a `hidden beast` number, since 32 + 12 + 300 + 111 + 211 + 0 + 0 = 666.

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 47 ways as a sum of consecutive naturals, for example, 307701901 + ... + 308744100.

Almost surely, 2^{321230011121100} is an apocalyptic number.

321230011121100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

321230011121100 is an abundant number, since it is smaller than the sum of its proper divisors (716815740566740).

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

321230011121100 is a wasteful number, since it uses less digits than its factorization.

321230011121100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616446217 (or 616446204 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 321230011121100 its reverse (1121110032123), we get a palindrome (322351121153223).

The spelling of 321230011121100 in words is "three hundred twenty-one trillion, two hundred thirty billion, eleven million, one hundred twenty-one thousand, one hundred".