1121210100211 has 8 divisors (see below), whose sum is σ = 1125488099664. Its totient is φ = 1116934143360.

The previous prime is 1121210100173. The next prime is 1121210100217. The reversal of 1121210100211 is 1120010121211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1121210100211 - 2¹⁹ = 1121209575923 is a prime.

It is a super-2 number, since 2×1121210100211² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1121210100191 and 1121210100200.

It is not an unprimeable number, because it can be changed into a prime (1121210100217) 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 7 ways as a sum of consecutive naturals, for example, 593815 + ... + 1610911.

It is an arithmetic number, because the mean of its divisors is an integer number (140686012458).

Almost surely, 2^{1121210100211} is an apocalyptic number.

1121210100211 is a deficient number, since it is larger than the sum of its proper divisors (4277999453).

1121210100211 is a wasteful number, since it uses less digits than its factorization.

1121210100211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021301.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1121210100211 its reverse (1120010121211), we get a palindrome (2241220221422).

The spelling of 1121210100211 in words is "one trillion, one hundred twenty-one billion, two hundred ten million, one hundred thousand, two hundred eleven".