2110212120001 has 4 divisors (see below), whose sum is σ = 2116190058372. Its totient is φ = 2104234181632.

The previous prime is 2110212119999. The next prime is 2110212120043. The reversal of 2110212120001 is 1000212120112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 504986469376 + 1605225650625 = 710624^2 + 1266975^2 .

It is a cyclic number.

It is not a de Polignac number, because 2110212120001 - 2¹ = 2110212119999 is a prime.

It is a super-2 number, since 2×2110212120001² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2110212120061) 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, 2988968656 + ... + 2988969361.

It is an arithmetic number, because the mean of its divisors is an integer number (529047514593).

Almost surely, 2^{2110212120001} is an apocalyptic number.

It is an amenable number.

2110212120001 is a deficient number, since it is larger than the sum of its proper divisors (5977938371).

2110212120001 is an equidigital number, since it uses as much as digits as its factorization.

2110212120001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5977938370.

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

Adding to 2110212120001 its reverse (1000212120112), we get a palindrome (3110424240113).

The spelling of 2110212120001 in words is "two trillion, one hundred ten billion, two hundred twelve million, one hundred twenty thousand, one".