1001201201211 has 8 divisors (see below), whose sum is σ = 1349934204240. Its totient is φ = 659967832832.

The previous prime is 1001201201149. The next prime is 1001201201249. The reversal of 1001201201211 is 1121021021001.

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

It is a cyclic number.

It is not a de Polignac number, because 1001201201211 - 2¹⁷ = 1001201070139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1001201201291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1874908350 + ... + 1874908883.

It is an arithmetic number, because the mean of its divisors is an integer number (168741775530).

Almost surely, 2^{1001201201211} is an apocalyptic number.

1001201201211 is a deficient number, since it is larger than the sum of its proper divisors (348733003029).

1001201201211 is an equidigital number, since it uses as much as digits as its factorization.

1001201201211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3749817325.

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

Adding to 1001201201211 its reverse (1121021021001), we get a palindrome (2122222222212).

The spelling of 1001201201211 in words is "one trillion, one billion, two hundred one million, two hundred one thousand, two hundred eleven".