1011210120203 has 2 divisors, whose sum is σ = 1011210120204. Its totient is φ = 1011210120202.

The previous prime is 1011210120163. The next prime is 1011210120211. The reversal of 1011210120203 is 3020210121101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1011210120203 - 2¹² = 1011210116107 is a prime.

It is a super-2 number, since 2×1011210120203² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1011210129203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505605060101 + 505605060102.

It is an arithmetic number, because the mean of its divisors is an integer number (505605060102).

Almost surely, 2^{1011210120203} is an apocalyptic number.

1011210120203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011210120203 is an equidigital number, since it uses as much as digits as its factorization.

1011210120203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1011210120203 its reverse (3020210121101), we get a palindrome (4031420241304).

The spelling of 1011210120203 in words is "one trillion, eleven billion, two hundred ten million, one hundred twenty thousand, two hundred three".