2012211100001 has 8 divisors (see below), whose sum is σ = 2013327225000. Its totient is φ = 2011095254272.

The previous prime is 2012211099929. The next prime is 2012211100019. The reversal of 2012211100001 is 1000011122102.

It can be written as a sum of positive squares in 4 ways, for example, as 26422827601 + 1985788272400 = 162551^2 + 1409180^2 .

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 2012211100001 - 2³⁰ = 2011137358177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2012211100021) 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, 15265625 + ... + 15396873.

It is an arithmetic number, because the mean of its divisors is an integer number (251665903125).

Almost surely, 2^{2012211100001} is an apocalyptic number.

It is an amenable number.

2012211100001 is a deficient number, since it is larger than the sum of its proper divisors (1116124999).

2012211100001 is a wasteful number, since it uses less digits than its factorization.

2012211100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139635.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 2012211100001 its reverse (1000011122102), we get a palindrome (3012222222103).

The spelling of 2012211100001 in words is "two trillion, twelve billion, two hundred eleven million, one hundred thousand, one".