1210000100101 has 32 divisors (see below), whose sum is σ = 1341544280832. Its totient is φ = 1084475589120.

The previous prime is 1210000100063. The next prime is 1210000100117. The reversal of 1210000100101 is 1010010000121.

It is a cyclic number.

It is not a de Polignac number, because 1210000100101 - 2¹⁷ = 1209999969029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210000100191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46006711 + ... + 46033003.

It is an arithmetic number, because the mean of its divisors is an integer number (41923258776).

Almost surely, 2^{1210000100101} is an apocalyptic number.

It is an amenable number.

1210000100101 is a deficient number, since it is larger than the sum of its proper divisors (131544180731).

1210000100101 is a wasteful number, since it uses less digits than its factorization.

1210000100101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27133.

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 1210000100101 its reverse (1010010000121), we get a palindrome (2220010100222).

The spelling of 1210000100101 in words is "one trillion, two hundred ten billion, one hundred thousand, one hundred one".