212122010101112 has 16 divisors (see below), whose sum is σ = 397729272070800. Its totient is φ = 106060870882240.

The previous prime is 212122010101051. The next prime is 212122010101171. The reversal of 212122010101112 is 211101010221212.

It is a super-2 number, since 2×212122010101112² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

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, 9885437 + ... + 22846572.

It is an arithmetic number, because the mean of its divisors is an integer number (24858079504425).

Almost surely, 2^{212122010101112} is an apocalyptic number.

It is an amenable number.

212122010101112 is a deficient number, since it is larger than the sum of its proper divisors (185607261969688).

212122010101112 is a wasteful number, since it uses less digits than its factorization.

212122010101112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33542086 (or 33542082 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 212122010101112 its reverse (211101010221212), we get a palindrome (423223020322324).

The spelling of 212122010101112 in words is "two hundred twelve trillion, one hundred twenty-two billion, ten million, one hundred one thousand, one hundred twelve".