1211102001201 has 8 divisors (see below), whose sum is σ = 1624709433760. Its totient is φ = 802447951392.

The previous prime is 1211102001199. The next prime is 1211102001209. The reversal of 1211102001201 is 1021002011121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1211102001201 - 2¹ = 1211102001199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1211102001209) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1238345116 + ... + 1238346093.

It is an arithmetic number, because the mean of its divisors is an integer number (203088679220).

Almost surely, 2^{1211102001201} is an apocalyptic number.

It is an amenable number.

1211102001201 is a deficient number, since it is larger than the sum of its proper divisors (413607432559).

1211102001201 is a wasteful number, since it uses less digits than its factorization.

1211102001201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2476691375.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1211102001201 its reverse (1021002011121), we get a palindrome (2232104012322).

The spelling of 1211102001201 in words is "one trillion, two hundred eleven billion, one hundred two million, one thousand, two hundred one".