2122120202021 has 8 divisors (see below), whose sum is σ = 2125167350400. Its totient is φ = 2119073320800.

The previous prime is 2122120201939. The next prime is 2122120202063. The reversal of 2122120202021 is 1202020212212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2122120202021 - 2¹⁰ = 2122120200997 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 (2122120222021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20224190 + ... + 20328848.

It is an arithmetic number, because the mean of its divisors is an integer number (265645918800).

Almost surely, 2^{2122120202021} is an apocalyptic number.

It is an amenable number.

2122120202021 is a deficient number, since it is larger than the sum of its proper divisors (3047148379).

2122120202021 is a wasteful number, since it uses less digits than its factorization.

2122120202021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133579.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2122120202021 its reverse (1202020212212), we get a palindrome (3324140414233).

The spelling of 2122120202021 in words is "two trillion, one hundred twenty-two billion, one hundred twenty million, two hundred two thousand, twenty-one".