1220103100233 has 6 divisors (see below), whose sum is σ = 1762371144794. Its totient is φ = 813402066816.

The previous prime is 1220103100219. The next prime is 1220103100247. The reversal of 1220103100233 is 3320013010221.

1220103100233 is a `hidden beast` number, since 122 + 0 + 1 + 0 + 310 + 0 + 233 = 666.

It is an interprime number because it is at equal distance from previous prime (1220103100219) and next prime (1220103100247).

It can be written as a sum of positive squares in only one way, i.e., 814981034169 + 405122066064 = 902763^2 + 636492^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1220103100233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1220103120233) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 67783505560 + ... + 67783505577.

Almost surely, 2^{1220103100233} is an apocalyptic number.

It is an amenable number.

1220103100233 is a deficient number, since it is larger than the sum of its proper divisors (542268044561).

1220103100233 is a wasteful number, since it uses less digits than its factorization.

1220103100233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135567011143 (or 135567011140 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1220103100233 its reverse (3320013010221), we get a palindrome (4540116110454).

The spelling of 1220103100233 in words is "one trillion, two hundred twenty billion, one hundred three million, one hundred thousand, two hundred thirty-three".