2101212100201 has 8 divisors (see below), whose sum is σ = 2110273798464. Its totient is φ = 2092167680400.

The previous prime is 2101212100193. The next prime is 2101212100259. The reversal of 2101212100201 is 1020012121012.

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 2101212100201 - 2³ = 2101212100193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2101212100261) 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, 4075845 + ... + 4562338.

It is an arithmetic number, because the mean of its divisors is an integer number (263784224808).

Almost surely, 2^{2101212100201} is an apocalyptic number.

It is an amenable number.

2101212100201 is a deficient number, since it is larger than the sum of its proper divisors (9061698263).

2101212100201 is an equidigital number, since it uses as much as digits as its factorization.

2101212100201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8639231.

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

Adding to 2101212100201 its reverse (1020012121012), we get a palindrome (3121224221213).

The spelling of 2101212100201 in words is "two trillion, one hundred one billion, two hundred twelve million, one hundred thousand, two hundred one".