2120101110001 has 4 divisors (see below), whose sum is σ = 2422972697152. Its totient is φ = 1817229522852.

The previous prime is 2120101109989. The next prime is 2120101110019. The reversal of 2120101110001 is 1000111010212.

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 2120101110001 - 2²³ = 2120092721393 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2120101110001.

It is not an unprimeable number, because it can be changed into a prime (2120101110091) 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, 151435793565 + ... + 151435793578.

It is an arithmetic number, because the mean of its divisors is an integer number (605743174288).

Almost surely, 2^{2120101110001} is an apocalyptic number.

It is an amenable number.

2120101110001 is a deficient number, since it is larger than the sum of its proper divisors (302871587151).

2120101110001 is an equidigital number, since it uses as much as digits as its factorization.

2120101110001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302871587150.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 2120101110001 its reverse (1000111010212), we get a palindrome (3120212120213).

The spelling of 2120101110001 in words is "two trillion, one hundred twenty billion, one hundred one million, one hundred ten thousand, one".