321012100001 has 8 divisors (see below), whose sum is σ = 322894475904. Its totient is φ = 319134738240.

The previous prime is 321012099979. The next prime is 321012100027. The reversal of 321012100001 is 100001210123.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 321012100001 - 2²² = 321007905697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321012100051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1125080 + ... + 1381241.

It is an arithmetic number, because the mean of its divisors is an integer number (40361809488).

Almost surely, 2^321012100001 is an apocalyptic number.

It is an amenable number.

321012100001 is a deficient number, since it is larger than the sum of its proper divisors (1882375903).

321012100001 is a wasteful number, since it uses less digits than its factorization.

321012100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2507071.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 321012100001 its reverse (100001210123), we get a palindrome (421013310124).

The spelling of 321012100001 in words is "three hundred twenty-one billion, twelve million, one hundred thousand, one".