1021012210103 has 2 divisors, whose sum is σ = 1021012210104. Its totient is φ = 1021012210102.

The previous prime is 1021012209953. The next prime is 1021012210177. The reversal of 1021012210103 is 3010122101201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1021012210103 - 2³⁶ = 952292733367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1021012210403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510506105051 + 510506105052.

It is an arithmetic number, because the mean of its divisors is an integer number (510506105052).

Almost surely, 2^{1021012210103} is an apocalyptic number.

1021012210103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021012210103 is an equidigital number, since it uses as much as digits as its factorization.

1021012210103 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 1021012210103 its reverse (3010122101201), we get a palindrome (4031134311304).

The spelling of 1021012210103 in words is "one trillion, twenty-one billion, twelve million, two hundred ten thousand, one hundred three".