121122103211 has 16 divisors (see below), whose sum is σ = 122687278560. Its totient is φ = 119565761280.

The previous prime is 121122103187. The next prime is 121122103231. The reversal of 121122103211 is 112301221121.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121122103211 is a prime.

It is a super-2 number, since 2×121122103211² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121122103211.

It is not an unprimeable number, because it can be changed into a prime (121122103231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52729415 + ... + 52731711.

It is an arithmetic number, because the mean of its divisors is an integer number (7667954910).

Almost surely, 2^121122103211 is an apocalyptic number.

121122103211 is a deficient number, since it is larger than the sum of its proper divisors (1565175349).

121122103211 is a wasteful number, since it uses less digits than its factorization.

121122103211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3934.

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

Adding to 121122103211 its reverse (112301221121), we get a palindrome (233423324332).

The spelling of 121122103211 in words is "one hundred twenty-one billion, one hundred twenty-two million, one hundred three thousand, two hundred eleven".