1021120211203 has 2 divisors, whose sum is σ = 1021120211204. Its totient is φ = 1021120211202.

The previous prime is 1021120211179. The next prime is 1021120211213. The reversal of 1021120211203 is 3021120211201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1021120211203 - 2³⁷ = 883681257731 is a prime.

It is not a weakly prime, because it can be changed into another prime (1021120211213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510560105601 + 510560105602.

It is an arithmetic number, because the mean of its divisors is an integer number (510560105602).

Almost surely, 2^{1021120211203} is an apocalyptic number.

1021120211203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021120211203 is an equidigital number, since it uses as much as digits as its factorization.

1021120211203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1021120211203 its reverse (3021120211201), we get a palindrome (4042240422404).

The spelling of 1021120211203 in words is "one trillion, twenty-one billion, one hundred twenty million, two hundred eleven thousand, two hundred three".