321140101 has 4 divisors (see below), whose sum is σ = 322662304. Its totient is φ = 319617900.

The previous prime is 321140093. The next prime is 321140111. The reversal of 321140101 is 101041123.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 101041123 = 1811 ⋅55793.

It is a cyclic number.

It is not a de Polignac number, because 321140101 - 2³ = 321140093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321140111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 760785 + ... + 761206.

It is an arithmetic number, because the mean of its divisors is an integer number (80665576).

Almost surely, 2^321140101 is an apocalyptic number.

It is an amenable number.

321140101 is a deficient number, since it is larger than the sum of its proper divisors (1522203).

321140101 is a wasteful number, since it uses less digits than its factorization.

321140101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1522202.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 321140101 is about 17920.3822782886. The cubic root of 321140101 is about 684.8017264076.

Adding to 321140101 its reverse (101041123), we get a palindrome (422181224).

The spelling of 321140101 in words is "three hundred twenty-one million, one hundred forty thousand, one hundred one".