1210100220103 has 2 divisors, whose sum is σ = 1210100220104. Its totient is φ = 1210100220102.

The previous prime is 1210100219963. The next prime is 1210100220139. The reversal of 1210100220103 is 3010220010121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1210100220103 - 2²⁵ = 1210066665671 is a prime.

It is a super-4 number, since 4×1210100220103⁴ (a number of 49 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1210100224103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605050110051 + 605050110052.

It is an arithmetic number, because the mean of its divisors is an integer number (605050110052).

Almost surely, 2^{1210100220103} is an apocalyptic number.

1210100220103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210100220103 is an equidigital number, since it uses as much as digits as its factorization.

1210100220103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 1210100220103 its reverse (3010220010121), we get a palindrome (4220320230224).

The spelling of 1210100220103 in words is "one trillion, two hundred ten billion, one hundred million, two hundred twenty thousand, one hundred three".