212122002211011 has 12 divisors (see below), whose sum is σ = 306401515957680. Its totient is φ = 141413251993200.

The previous prime is 212122002210961. The next prime is 212122002211027. The reversal of 212122002211011 is 110112200221212.

212122002211011 is a `hidden beast` number, since 2 + 121 + 220 + 0 + 221 + 101 + 1 = 666.

It is not a de Polignac number, because 212122002211011 - 2¹⁰ = 212122002209987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212122002211081) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 117063231 + ... + 118861448.

It is an arithmetic number, because the mean of its divisors is an integer number (25533459663140).

Almost surely, 2^{212122002211011} is an apocalyptic number.

212122002211011 is a deficient number, since it is larger than the sum of its proper divisors (94279513746669).

212122002211011 is a wasteful number, since it uses less digits than its factorization.

212122002211011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236024586 (or 236024583 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 212122002211011 its reverse (110112200221212), we get a palindrome (322234202432223).

The spelling of 212122002211011 in words is "two hundred twelve trillion, one hundred twenty-two billion, two million, two hundred eleven thousand, eleven".