10001211000201 has 12 divisors (see below), whose sum is σ = 14538207641412. Its totient is φ = 6625006011936.

The previous prime is 10001211000107. The next prime is 10001211000203. The reversal of 10001211000201 is 10200011210001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 827726942025 + 9173484058176 = 909795^2 + 3028776^2 .

It is not a de Polignac number, because 10001211000201 - 2¹³ = 10001210992009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (10001211000203) 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, 3538997526 + ... + 3539000351.

It is an arithmetic number, because the mean of its divisors is an integer number (1211517303451).

Almost surely, 2^{10001211000201} is an apocalyptic number.

It is an amenable number.

10001211000201 is a deficient number, since it is larger than the sum of its proper divisors (4536996641211).

10001211000201 is a wasteful number, since it uses less digits than its factorization.

10001211000201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7077998040 (or 7077998037 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 10001211000201 its reverse (10200011210001), we get a palindrome (20201222210202).

The spelling of 10001211000201 in words is "ten trillion, one billion, two hundred eleven million, two hundred one", and thus it is an aban number.