2101012201001 has 8 divisors (see below), whose sum is σ = 2401185892224. Its totient is φ = 1800845782560.

The previous prime is 2101012200997. The next prime is 2101012201003. The reversal of 2101012201001 is 1001022101012.

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 2101012201001 - 2² = 2101012200997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2101012201003) 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, 1184420 + ... + 2367461.

It is an arithmetic number, because the mean of its divisors is an integer number (300148236528).

Almost surely, 2^{2101012201001} is an apocalyptic number.

It is an amenable number.

2101012201001 is a deficient number, since it is larger than the sum of its proper divisors (300173691223).

2101012201001 is an equidigital number, since it uses as much as digits as its factorization.

2101012201001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3636391.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 2101012201001 its reverse (1001022101012), we get a palindrome (3102034302013).

The spelling of 2101012201001 in words is "two trillion, one hundred one billion, twelve million, two hundred one thousand, one".