201121222000010 has 16 divisors (see below), whose sum is σ = 389865753415656. Its totient is φ = 74260143507648.

The previous prime is 201121221999961. The next prime is 201121222000019. The reversal of 201121222000010 is 10000222121102.

It can be written as a sum of positive squares in 4 ways, for example, as 174866532611521 + 26254689388489 = 13223711^2 + 5123933^2 .

It is not an unprimeable number, because it can be changed into a prime (201121222000019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 773543161409 + ... + 773543161668.

Almost surely, 2^{201121222000010} is an apocalyptic number.

201121222000010 is a deficient number, since it is larger than the sum of its proper divisors (188744531415646).

201121222000010 is a wasteful number, since it uses less digits than its factorization.

201121222000010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1547086323097.

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

Adding to 201121222000010 its reverse (10000222121102), we get a palindrome (211121444121112).

The spelling of 201121222000010 in words is "two hundred one trillion, one hundred twenty-one billion, two hundred twenty-two million, ten", and thus it is an aban number.