1000211121103 has 2 divisors, whose sum is σ = 1000211121104. Its totient is φ = 1000211121102.

The previous prime is 1000211121097. The next prime is 1000211121131. The reversal of 1000211121103 is 3011211120001.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1000211121103 - 2⁵ = 1000211121071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000211121803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500105560551 + 500105560552.

It is an arithmetic number, because the mean of its divisors is an integer number (500105560552).

Almost surely, 2^{1000211121103} is an apocalyptic number.

1000211121103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000211121103 is an equidigital number, since it uses as much as digits as its factorization.

1000211121103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 1000211121103 its reverse (3011211120001), we get a palindrome (4011422241104).

The spelling of 1000211121103 in words is "one trillion, two hundred eleven million, one hundred twenty-one thousand, one hundred three".