2001321301100 has 36 divisors (see below), whose sum is σ = 4737673337208. Its totient is φ = 727753200000.

The previous prime is 2001321301079. The next prime is 2001321301117. The reversal of 2001321301100 is 11031231002.

It is a super-2 number, since 2×2001321301100² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 909690401 + ... + 909692600.

Almost surely, 2^{2001321301100} is an apocalyptic number.

2001321301100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2001321301100 is an abundant number, since it is smaller than the sum of its proper divisors (2736352036108).

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

2001321301100 is a wasteful number, since it uses less digits than its factorization.

2001321301100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1819383026 (or 1819383019 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 2001321301100 its reverse (11031231002), we get a palindrome (2012352532102).

The spelling of 2001321301100 in words is "two trillion, one billion, three hundred twenty-one million, three hundred one thousand, one hundred".