212011122104 has 8 divisors (see below), whose sum is σ = 397520853960. Its totient is φ = 106005561048.

The previous prime is 212011122101. The next prime is 212011122149. The reversal of 212011122104 is 401221110212.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212011122101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13250695124 + ... + 13250695139.

It is an arithmetic number, because the mean of its divisors is an integer number (49690106745).

Almost surely, 2^212011122104 is an apocalyptic number.

It is an amenable number.

212011122104 is a deficient number, since it is larger than the sum of its proper divisors (185509731856).

212011122104 is a wasteful number, since it uses less digits than its factorization.

212011122104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26501390269 (or 26501390265 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 212011122104 its reverse (401221110212), we get a palindrome (613232232316).

The spelling of 212011122104 in words is "two hundred twelve billion, eleven million, one hundred twenty-two thousand, one hundred four".