2102101212001 has 4 divisors (see below), whose sum is σ = 2402401385152. Its totient is φ = 1801801038852.

The previous prime is 2102101211999. The next prime is 2102101212011. The reversal of 2102101212001 is 1002121012012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2102101212001 - 2¹ = 2102101211999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2102101212011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150150086565 + ... + 150150086578.

It is an arithmetic number, because the mean of its divisors is an integer number (600600346288).

Almost surely, 2^{2102101212001} is an apocalyptic number.

It is an amenable number.

2102101212001 is a deficient number, since it is larger than the sum of its proper divisors (300300173151).

2102101212001 is an equidigital number, since it uses as much as digits as its factorization.

2102101212001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300300173150.

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

Adding to 2102101212001 its reverse (1002121012012), we get a palindrome (3104222224013).

The spelling of 2102101212001 in words is "two trillion, one hundred two billion, one hundred one million, two hundred twelve thousand, one".