141220111 has 4 divisors (see below), whose sum is σ = 146089800. Its totient is φ = 136350424.

The previous prime is 141220091. The next prime is 141220117. The reversal of 141220111 is 111022141.

141220111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111022141 = 479 ⋅231779.

It is a cyclic number.

It is not a de Polignac number, because 141220111 - 2¹⁹ = 140695823 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 141220091 and 141220100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141220117) 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, 2434801 + ... + 2434858.

It is an arithmetic number, because the mean of its divisors is an integer number (36522450).

Almost surely, 2^141220111 is an apocalyptic number.

141220111 is a deficient number, since it is larger than the sum of its proper divisors (4869689).

141220111 is an equidigital number, since it uses as much as digits as its factorization.

141220111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4869688.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 141220111 is about 11883.6068177974. The cubic root of 141220111 is about 520.7534823774.

Adding to 141220111 its reverse (111022141), we get a palindrome (252242252).

The spelling of 141220111 in words is "one hundred forty-one million, two hundred twenty thousand, one hundred eleven".