1021202101103 has 2 divisors, whose sum is σ = 1021202101104. Its totient is φ = 1021202101102.

The previous prime is 1021202101097. The next prime is 1021202101177. The reversal of 1021202101103 is 3011012021201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1021202101103 - 2¹² = 1021202097007 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1021202104103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510601050551 + 510601050552.

It is an arithmetic number, because the mean of its divisors is an integer number (510601050552).

Almost surely, 2^{1021202101103} is an apocalyptic number.

1021202101103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021202101103 is an equidigital number, since it uses as much as digits as its factorization.

1021202101103 is an evil number, because the sum of its binary digits is even.

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

Adding to 1021202101103 its reverse (3011012021201), we get a palindrome (4032214122304).

The spelling of 1021202101103 in words is "one trillion, twenty-one billion, two hundred two million, one hundred one thousand, one hundred three".