201122010212 has 6 divisors (see below), whose sum is σ = 351963517878. Its totient is φ = 100561005104.

The previous prime is 201122010197. The next prime is 201122010217. The reversal of 201122010212 is 212010221102.

It can be written as a sum of positive squares in only one way, i.e., 136313070436 + 64808939776 = 369206^2 + 254576^2 .

It is not an unprimeable number, because it can be changed into a prime (201122010217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25140251273 + ... + 25140251280.

It is an arithmetic number, because the mean of its divisors is an integer number (58660586313).

Almost surely, 2^201122010212 is an apocalyptic number.

It is an amenable number.

201122010212 is a deficient number, since it is larger than the sum of its proper divisors (150841507666).

201122010212 is a wasteful number, since it uses less digits than its factorization.

201122010212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50280502557 (or 50280502555 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 201122010212 its reverse (212010221102), we get a palindrome (413132231314).

The spelling of 201122010212 in words is "two hundred one billion, one hundred twenty-two million, ten thousand, two hundred twelve".