20100012010001 has 32 divisors (see below), whose sum is σ = 25316801289216. Its totient is φ = 15501802680000.

The previous prime is 20100012009967. The next prime is 20100012010009. The reversal of 20100012010001 is 10001021000102.

It is a de Polignac number, because none of the positive numbers 2^k-20100012010001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20100012010009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21655466 + ... + 22564556.

It is an arithmetic number, because the mean of its divisors is an integer number (791150040288).

Almost surely, 2^{20100012010001} is an apocalyptic number.

It is an amenable number.

20100012010001 is a deficient number, since it is larger than the sum of its proper divisors (5216789279215).

20100012010001 is a wasteful number, since it uses less digits than its factorization.

20100012010001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912053.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 20100012010001 its reverse (10001021000102), we get a palindrome (30101033010103).

The spelling of 20100012010001 in words is "twenty trillion, one hundred billion, twelve million, ten thousand, one".