1001211200101 has 16 divisors (see below), whose sum is σ = 1147988588544. Its totient is φ = 855371268864.

The previous prime is 1001211200057. The next prime is 1001211200111. The reversal of 1001211200101 is 1010021121001.

It is a de Polignac number, because none of the positive numbers 2^k-1001211200101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001211200111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22840461 + ... + 22884253.

It is an arithmetic number, because the mean of its divisors is an integer number (71749286784).

Almost surely, 2^{1001211200101} is an apocalyptic number.

It is an amenable number.

1001211200101 is a deficient number, since it is larger than the sum of its proper divisors (146777388443).

1001211200101 is a wasteful number, since it uses less digits than its factorization.

1001211200101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54420.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1001211200101 its reverse (1010021121001), we get a palindrome (2011232321102).

The spelling of 1001211200101 in words is "one trillion, one billion, two hundred eleven million, two hundred thousand, one hundred one".