1121210102211 has 16 divisors (see below), whose sum is σ = 1499638415616. Its totient is φ = 745129424736.

The previous prime is 1121210102113. The next prime is 1121210102231. The reversal of 1121210102211 is 1122010121211.

It is a happy number.

It is not a de Polignac number, because 1121210102211 - 2¹⁷ = 1121209971139 is a prime.

It is a super-5 number, since 5×1121210102211⁵ (a number of 61 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (1121210102231) 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 15 ways as a sum of consecutive naturals, for example, 2237746 + ... + 2692568.

It is an arithmetic number, because the mean of its divisors is an integer number (93727400976).

Almost surely, 2^{1121210102211} is an apocalyptic number.

1121210102211 is a deficient number, since it is larger than the sum of its proper divisors (378428313405).

1121210102211 is a wasteful number, since it uses less digits than its factorization.

1121210102211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457402.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1121210102211 its reverse (1122010121211), we get a palindrome (2243220223422).

The spelling of 1121210102211 in words is "one trillion, one hundred twenty-one billion, two hundred ten million, one hundred two thousand, two hundred eleven".