1021123301203 has 2 divisors, whose sum is σ = 1021123301204. Its totient is φ = 1021123301202.

The previous prime is 1021123301173. The next prime is 1021123301213. The reversal of 1021123301203 is 3021033211201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1021123301203 - 2²⁹ = 1020586430291 is a prime.

It is a super-2 number, since 2×1021123301203² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1021123301213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510561650601 + 510561650602.

It is an arithmetic number, because the mean of its divisors is an integer number (510561650602).

Almost surely, 2^{1021123301203} is an apocalyptic number.

1021123301203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021123301203 is an equidigital number, since it uses as much as digits as its factorization.

1021123301203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1021123301203 its reverse (3021033211201), we get a palindrome (4042156512404).

The spelling of 1021123301203 in words is "one trillion, twenty-one billion, one hundred twenty-three million, three hundred one thousand, two hundred three".