1210200110001 has 12 divisors (see below), whose sum is σ = 1824069731328. Its totient is φ = 771721809144.

The previous prime is 1210200109999. The next prime is 1210200110057. The reversal of 1210200110001 is 1000110020121.

It is a happy number.

It is not a de Polignac number, because 1210200110001 - 2¹ = 1210200109999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (1210200110501) 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 in 11 ways as a sum of consecutive naturals, for example, 2923188465 + ... + 2923188878.

It is an arithmetic number, because the mean of its divisors is an integer number (152005810944).

Almost surely, 2^{1210200110001} is an apocalyptic number.

It is an amenable number.

1210200110001 is a deficient number, since it is larger than the sum of its proper divisors (613869621327).

1210200110001 is a wasteful number, since it uses less digits than its factorization.

1210200110001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5846377372 (or 5846377369 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 1210200110001 its reverse (1000110020121), we get a palindrome (2210310130122).

It can be divided in two parts, 1210200 and 110001, that added together give a square (1320201 = 1149²).

The spelling of 1210200110001 in words is "one trillion, two hundred ten billion, two hundred million, one hundred ten thousand, one".