201121001010212 has 12 divisors (see below), whose sum is σ = 352027160047836. Its totient is φ = 100541812425120.

The previous prime is 201121001010169. The next prime is 201121001010227. The reversal of 201121001010212 is 212010100121102.

It can be written as a sum of positive squares in 2 ways, for example, as 137504329298176 + 63616671712036 = 11726224^2 + 7976006^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4671995783 + ... + 4672038830.

It is an arithmetic number, because the mean of its divisors is an integer number (29335596670653).

Almost surely, 2^{201121001010212} is an apocalyptic number.

It is an amenable number.

201121001010212 is a deficient number, since it is larger than the sum of its proper divisors (150906159037624).

201121001010212 is a wasteful number, since it uses less digits than its factorization.

201121001010212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9344039998 (or 9344039996 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 201121001010212 its reverse (212010100121102), we get a palindrome (413131101131314).

The spelling of 201121001010212 in words is "two hundred one trillion, one hundred twenty-one billion, one million, ten thousand, two hundred twelve".