140220011 has 4 divisors (see below), whose sum is σ = 140251224. Its totient is φ = 140188800.

The previous prime is 140220001. The next prime is 140220053. The reversal of 140220011 is 110022041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110022041 = 23 ⋅4783567.

It is a cyclic number.

It is not a de Polignac number, because 140220011 - 2²² = 136025707 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140219974 and 140220001.

It is not an unprimeable number, because it can be changed into a prime (140220001) 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, 7445 + ... + 18326.

It is an arithmetic number, because the mean of its divisors is an integer number (35062806).

Almost surely, 2^140220011 is an apocalyptic number.

140220011 is a deficient number, since it is larger than the sum of its proper divisors (31213).

140220011 is an equidigital number, since it uses as much as digits as its factorization.

140220011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31212.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 140220011 is about 11841.4530780644. The cubic root of 140220011 is about 519.5212692110.

Adding to 140220011 its reverse (110022041), we get a palindrome (250242052).

The spelling of 140220011 in words is "one hundred forty million, two hundred twenty thousand, eleven".