211012112112122 has 8 divisors (see below), whose sum is σ = 335136883942836. Its totient is φ = 99299817464512.

The previous prime is 211012112112119. The next prime is 211012112112133. The reversal of 211012112112122 is 221211211210112.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 210979372466641 + 32739645481 = 14525129^2 + 180941^2 .

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

It is a super-2 number, since 2×211012112112122² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211012112112094 and 211012112112103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3103119295733 + ... + 3103119295800.

Almost surely, 2^{211012112112122} is an apocalyptic number.

211012112112122 is a deficient number, since it is larger than the sum of its proper divisors (124124771830714).

211012112112122 is a wasteful number, since it uses less digits than its factorization.

211012112112122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6206238591552.

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 211012112112122 its reverse (221211211210112), we get a palindrome (432223323322234).

The spelling of 211012112112122 in words is "two hundred eleven trillion, twelve billion, one hundred twelve million, one hundred twelve thousand, one hundred twenty-two".