2122120020101 has 4 divisors (see below), whose sum is σ = 2132783940000. Its totient is φ = 2111456100204.

The previous prime is 2122120020077. The next prime is 2122120020107. The reversal of 2122120020101 is 1010200212212.

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 2122120020101 - 2¹⁰ = 2122120019077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122120020107) 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, 5331959651 + ... + 5331960048.

It is an arithmetic number, because the mean of its divisors is an integer number (533195985000).

Almost surely, 2^{2122120020101} is an apocalyptic number.

It is an amenable number.

2122120020101 is a deficient number, since it is larger than the sum of its proper divisors (10663919899).

2122120020101 is a wasteful number, since it uses less digits than its factorization.

2122120020101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10663919898.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2122120020101 its reverse (1010200212212), we get a palindrome (3132320232313).

The spelling of 2122120020101 in words is "two trillion, one hundred twenty-two billion, one hundred twenty million, twenty thousand, one hundred one".