140221101 has 8 divisors (see below), whose sum is σ = 189522880. Its totient is φ = 92200032.

The previous prime is 140221097. The next prime is 140221223. The reversal of 140221101 is 101122041.

It is a happy number.

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

It is not a de Polignac number, because 140221101 - 2² = 140221097 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 (140221801) 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, 319921 + ... + 320358.

It is an arithmetic number, because the mean of its divisors is an integer number (23690360).

Almost surely, 2^140221101 is an apocalyptic number.

It is an amenable number.

140221101 is a deficient number, since it is larger than the sum of its proper divisors (49301779).

140221101 is an equidigital number, since it uses as much as digits as its factorization.

140221101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640355.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 140221101 is about 11841.4991027319. The cubic root of 140221101 is about 519.5226153734.

Adding to 140221101 its reverse (101122041), we get a palindrome (241343142).

The spelling of 140221101 in words is "one hundred forty million, two hundred twenty-one thousand, one hundred one".