1211010202201 has 8 divisors (see below), whose sum is σ = 1263675446784. Its totient is φ = 1158346009920.

The previous prime is 1211010202189. The next prime is 1211010202231. The reversal of 1211010202201 is 1022020101121.

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 1211010202201 - 2³⁹ = 661254388313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1211010202231) 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, 2895736 + ... + 3287446.

It is an arithmetic number, because the mean of its divisors is an integer number (157959430848).

Almost surely, 2^{1211010202201} is an apocalyptic number.

It is an amenable number.

1211010202201 is a deficient number, since it is larger than the sum of its proper divisors (52665244583).

1211010202201 is a wasteful number, since it uses less digits than its factorization.

1211010202201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526151.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1211010202201 its reverse (1022020101121), we get a palindrome (2233030303322).

The spelling of 1211010202201 in words is "one trillion, two hundred eleven billion, ten million, two hundred two thousand, two hundred one".