1121210200101 has 32 divisors (see below), whose sum is σ = 1564630577152. Its totient is φ = 713306321280.

The previous prime is 1121210200091. The next prime is 1121210200129. The reversal of 1121210200101 is 1010020121211.

It is not a de Polignac number, because 1121210200101 - 2¹⁰ = 1121210199077 is a prime.

It is a super-2 number, since 2×1121210200101² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121210200801) 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, 40197306 + ... + 40225188.

It is an arithmetic number, because the mean of its divisors is an integer number (48894705536).

Almost surely, 2^{1121210200101} is an apocalyptic number.

It is an amenable number.

1121210200101 is a deficient number, since it is larger than the sum of its proper divisors (443420377051).

1121210200101 is a wasteful number, since it uses less digits than its factorization.

1121210200101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33913.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1121210200101 its reverse (1010020121211), we get a palindrome (2131230321312).

The spelling of 1121210200101 in words is "one trillion, one hundred twenty-one billion, two hundred ten million, two hundred thousand, one hundred one".