2120122101001 has 4 divisors (see below), whose sum is σ = 2139936326352. Its totient is φ = 2100307875652.

The previous prime is 2120122100969. The next prime is 2120122101061. The reversal of 2120122101001 is 1001012210212.

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 2120122101001 - 2⁵ = 2120122100969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2120122101061) 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 3 ways as a sum of consecutive naturals, for example, 9907112515 + ... + 9907112728.

It is an arithmetic number, because the mean of its divisors is an integer number (534984081588).

Almost surely, 2^{2120122101001} is an apocalyptic number.

It is an amenable number.

2120122101001 is a deficient number, since it is larger than the sum of its proper divisors (19814225351).

2120122101001 is a wasteful number, since it uses less digits than its factorization.

2120122101001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19814225350.

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

Adding to 2120122101001 its reverse (1001012210212), we get a palindrome (3121134311213).

The spelling of 2120122101001 in words is "two trillion, one hundred twenty billion, one hundred twenty-two million, one hundred one thousand, one".