2211121012103 has 8 divisors (see below), whose sum is σ = 2265510163056. Its totient is φ = 2156753736000.

The previous prime is 2211121012097. The next prime is 2211121012127. The reversal of 2211121012103 is 3012101211122.

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 2211121012103 - 2²⁰ = 2211119963527 is a prime.

It is a super-2 number, since 2×2211121012103² (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 (2211121012183) 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 7 ways as a sum of consecutive naturals, for example, 5263973 + ... + 5668478.

It is an arithmetic number, because the mean of its divisors is an integer number (283188770382).

Almost surely, 2^{2211121012103} is an apocalyptic number.

2211121012103 is a deficient number, since it is larger than the sum of its proper divisors (54389150953).

2211121012103 is a wasteful number, since it uses less digits than its factorization.

2211121012103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10937425.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 2211121012103 its reverse (3012101211122), we get a palindrome (5223222223225).

The spelling of 2211121012103 in words is "two trillion, two hundred eleven billion, one hundred twenty-one million, twelve thousand, one hundred three".