20012011102201 has 8 divisors (see below), whose sum is σ = 20500183734408. Its totient is φ = 19523842032000.

The previous prime is 20012011102189. The next prime is 20012011102219. The reversal of 20012011102201 is 10220111021002.

It can be written as a sum of positive squares in 4 ways, for example, as 451523522025 + 19560487580176 = 671955^2 + 4422724^2 .

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 20012011102201 - 2¹⁵ = 20012011069433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20012011102001) 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, 13150671 + ... + 14593291.

It is an arithmetic number, because the mean of its divisors is an integer number (2562522966801).

Almost surely, 2^{20012011102201} is an apocalyptic number.

It is an amenable number.

20012011102201 is a deficient number, since it is larger than the sum of its proper divisors (488172632207).

20012011102201 is a wasteful number, since it uses less digits than its factorization.

20012011102201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1781003.

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

Adding to 20012011102201 its reverse (10220111021002), we get a palindrome (30232122123203).

The spelling of 20012011102201 in words is "twenty trillion, twelve billion, eleven million, one hundred two thousand, two hundred one".