211122010012 has 6 divisors (see below), whose sum is σ = 369463517528. Its totient is φ = 105561005004.

The previous prime is 211122010009. The next prime is 211122010037. The reversal of 211122010012 is 210010221112.

It is a super-2 number, since 2×211122010012² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211122009974 and 211122010001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26390251248 + ... + 26390251255.

Almost surely, 2^211122010012 is an apocalyptic number.

It is an amenable number.

211122010012 is a deficient number, since it is larger than the sum of its proper divisors (158341507516).

211122010012 is a wasteful number, since it uses less digits than its factorization.

211122010012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52780502507 (or 52780502505 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 211122010012 its reverse (210010221112), we get a palindrome (421132231124).

The spelling of 211122010012 in words is "two hundred eleven billion, one hundred twenty-two million, ten thousand, twelve".