101210111202103 has 2 divisors, whose sum is σ = 101210111202104. Its totient is φ = 101210111202102.

The previous prime is 101210111202089. The next prime is 101210111202119. The reversal of 101210111202103 is 301202111012101.

It is a happy number.

It is an a-pointer prime, because the next prime (101210111202119) can be obtained adding 101210111202103 to its sum of digits (16).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101210111202103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101210111202143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50605055601051 + 50605055601052.

It is an arithmetic number, because the mean of its divisors is an integer number (50605055601052).

Almost surely, 2^{101210111202103} is an apocalyptic number.

101210111202103 is a deficient number, since it is larger than the sum of its proper divisors (1).

101210111202103 is an equidigital number, since it uses as much as digits as its factorization.

101210111202103 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 16.

Adding to 101210111202103 its reverse (301202111012101), we get a palindrome (402412222214204).

The spelling of 101210111202103 in words is "one hundred one trillion, two hundred ten billion, one hundred eleven million, two hundred two thousand, one hundred three".