61112203 has 2 divisors, whose sum is σ = 61112204. Its totient is φ = 61112202.

The previous prime is 61112167. The next prime is 61112213. The reversal of 61112203 is 30221116.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61112203 is a prime.

It is not a weakly prime, because it can be changed into another prime (61112213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30556101 + 30556102.

It is an arithmetic number, because the mean of its divisors is an integer number (30556102).

Almost surely, 2^61112203 is an apocalyptic number.

61112203 is a deficient number, since it is larger than the sum of its proper divisors (1).

61112203 is an equidigital number, since it uses as much as digits as its factorization.

61112203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 61112203 is about 7817.4294368418. The cubic root of 61112203 is about 393.8909293801.

Adding to 61112203 its reverse (30221116), we get a palindrome (91333319).

The spelling of 61112203 in words is "sixty-one million, one hundred twelve thousand, two hundred three".