20101011212201 has 8 divisors (see below), whose sum is σ = 20234292379200. Its totient is φ = 19967732175600.

The previous prime is 20101011212167. The next prime is 20101011212239. The reversal of 20101011212201 is 10221211010102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20101011212201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20101011212251) 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, 21378770 + ... + 22299188.

It is an arithmetic number, because the mean of its divisors is an integer number (2529286547400).

Almost surely, 2^{20101011212201} is an apocalyptic number.

It is an amenable number.

20101011212201 is a deficient number, since it is larger than the sum of its proper divisors (133281166999).

20101011212201 is a wasteful number, since it uses less digits than its factorization.

20101011212201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065199.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 20101011212201 its reverse (10221211010102), we get a palindrome (30322222222303).

The spelling of 20101011212201 in words is "twenty trillion, one hundred one billion, eleven million, two hundred twelve thousand, two hundred one".