211011112121122 has 8 divisors (see below), whose sum is σ = 335135295721836. Its totient is φ = 99299346880512.

The previous prime is 211011112121081. The next prime is 211011112121177. The reversal of 211011112121122 is 221121211110112.

It can be written as a sum of positive squares in 2 ways, for example, as 206084083985641 + 4927028135481 = 14355629^2 + 2219691^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 211011112121122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3103104589983 + ... + 3103104590050.

Almost surely, 2^{211011112121122} is an apocalyptic number.

211011112121122 is a deficient number, since it is larger than the sum of its proper divisors (124124183600714).

211011112121122 is a wasteful number, since it uses less digits than its factorization.

211011112121122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6206209180052.

The product of its (nonzero) digits is 32, while the sum is 19.

Adding to 211011112121122 its reverse (221121211110112), we get a palindrome (432132323231234).

The spelling of 211011112121122 in words is "two hundred eleven trillion, eleven billion, one hundred twelve million, one hundred twenty-one thousand, one hundred twenty-two".