201211012010101 has 8 divisors (see below), whose sum is σ = 209135812456800. Its totient is φ = 193351977542640.

The previous prime is 201211012010093. The next prime is 201211012010171. The reversal of 201211012010101 is 101010210112102.

It is a happy number.

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 201211012010101 - 2³ = 201211012010093 is a prime.

It is a super-4 number, since 4×201211012010101⁴ (a number of 58 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201211012010171) 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, 16441488571 + ... + 16441500808.

It is an arithmetic number, because the mean of its divisors is an integer number (26141976557100).

Almost surely, 2^{201211012010101} is an apocalyptic number.

It is an amenable number.

201211012010101 is a deficient number, since it is larger than the sum of its proper divisors (7924800446699).

201211012010101 is a wasteful number, since it uses less digits than its factorization.

201211012010101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32882989619.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 201211012010101 its reverse (101010210112102), we get a palindrome (302221222122203).

The spelling of 201211012010101 in words is "two hundred one trillion, two hundred eleven billion, twelve million, ten thousand, one hundred one".