1011220020103 has 2 divisors, whose sum is σ = 1011220020104. Its totient is φ = 1011220020102.

The previous prime is 1011220020077. The next prime is 1011220020121. The reversal of 1011220020103 is 3010200221101.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1011220020103 is a prime.

It is a super-2 number, since 2×1011220020103² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1011220020133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505610010051 + 505610010052.

It is an arithmetic number, because the mean of its divisors is an integer number (505610010052).

Almost surely, 2^{1011220020103} is an apocalyptic number.

1011220020103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011220020103 is an equidigital number, since it uses as much as digits as its factorization.

1011220020103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 1011220020103 its reverse (3010200221101), we get a palindrome (4021420241204).

The spelling of 1011220020103 in words is "one trillion, eleven billion, two hundred twenty million, twenty thousand, one hundred three".