2100101001 has 8 divisors (see below), whose sum is σ = 2964848544. Its totient is φ = 1317710400.

The previous prime is 2100100993. The next prime is 2100101009. The reversal of 2100101001 is 1001010012.

It is an interprime number because it is at equal distance from previous prime (2100100993) and next prime (2100101009).

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

It is not a de Polignac number, because 2100101001 - 2³ = 2100100993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2100101009) 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, 20589175 + ... + 20589276.

It is an arithmetic number, because the mean of its divisors is an integer number (370606068).

Almost surely, 2^2100101001 is an apocalyptic number.

It is an amenable number.

2100101001 is a deficient number, since it is larger than the sum of its proper divisors (864747543).

2100101001 is a wasteful number, since it uses less digits than its factorization.

2100101001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41178471.

The product of its (nonzero) digits is 2, while the sum is 6.

The square root of 2100101001 is about 45826.8589475648. The cubic root of 2100101001 is about 1280.5996947816.

Adding to 2100101001 its reverse (1001010012), we get a palindrome (3101111013).

It can be divided in two parts, 2 and 100101001, that multiplied together give a palindrome (200202002).

The spelling of 2100101001 in words is "two billion, one hundred million, one hundred one thousand, one".