2121202311203 has 2 divisors, whose sum is σ = 2121202311204. Its totient is φ = 2121202311202.

The previous prime is 2121202311167. The next prime is 2121202311251. The reversal of 2121202311203 is 3021132021212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2121202311203 - 2³² = 2116907343907 is a prime.

It is not a weakly prime, because it can be changed into another prime (2121202311103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060601155601 + 1060601155602.

It is an arithmetic number, because the mean of its divisors is an integer number (1060601155602).

Almost surely, 2^{2121202311203} is an apocalyptic number.

2121202311203 is a deficient number, since it is larger than the sum of its proper divisors (1).

2121202311203 is an equidigital number, since it uses as much as digits as its factorization.

2121202311203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 2121202311203 its reverse (3021132021212), we get a palindrome (5142334332415).

The spelling of 2121202311203 in words is "two trillion, one hundred twenty-one billion, two hundred two million, three hundred eleven thousand, two hundred three".