114220021 has 2 divisors, whose sum is σ = 114220022. Its totient is φ = 114220020.

The previous prime is 114219977. The next prime is 114220031. The reversal of 114220021 is 120022411.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84897796 + 29322225 = 9214^2 + 5415^2 .

It is a cyclic number.

It is not a de Polignac number, because 114220021 - 2¹¹ = 114217973 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 114219983 and 114220010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (114220031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57110010 + 57110011.

It is an arithmetic number, because the mean of its divisors is an integer number (57110011).

Almost surely, 2^114220021 is an apocalyptic number.

It is an amenable number.

114220021 is a deficient number, since it is larger than the sum of its proper divisors (1).

114220021 is an equidigital number, since it uses as much as digits as its factorization.

114220021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 114220021 is about 10687.3767127392. The cubic root of 114220021 is about 485.1924994882.

Adding to 114220021 its reverse (120022411), we get a palindrome (234242432).

The spelling of 114220021 in words is "one hundred fourteen million, two hundred twenty thousand, twenty-one".