1113220501 has 2 divisors, whose sum is σ = 1113220502. Its totient is φ = 1113220500.

The previous prime is 1113220487. The next prime is 1113220513. The reversal of 1113220501 is 1050223111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1112222500 + 998001 = 33350^2 + 999^2 .

It is a cyclic number.

It is not a de Polignac number, because 1113220501 - 2⁷ = 1113220373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1113220531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556610250 + 556610251.

It is an arithmetic number, because the mean of its divisors is an integer number (556610251).

Almost surely, 2^1113220501 is an apocalyptic number.

It is an amenable number.

1113220501 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113220501 is an equidigital number, since it uses as much as digits as its factorization.

1113220501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 1113220501 is about 33364.9591787552. The cubic root of 1113220501 is about 1036.3991907999.

Adding to 1113220501 its reverse (1050223111), we get a palindrome (2163443612).

The spelling of 1113220501 in words is "one billion, one hundred thirteen million, two hundred twenty thousand, five hundred one".