2122012111021 has 8 divisors (see below), whose sum is σ = 2316718224000. Its totient is φ = 1927605318240.

The previous prime is 2122012111003. The next prime is 2122012111033. The reversal of 2122012111021 is 1201112102212.

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 2122012111021 - 2⁵ = 2122012110989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2122012110986 and 2122012111004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122012111061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74815221 + ... + 74843578.

It is an arithmetic number, because the mean of its divisors is an integer number (289589778000).

Almost surely, 2^{2122012111021} is an apocalyptic number.

It is an amenable number.

2122012111021 is a deficient number, since it is larger than the sum of its proper divisors (194706112979).

2122012111021 is a wasteful number, since it uses less digits than its factorization.

2122012111021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149660099.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2122012111021 its reverse (1201112102212), we get a palindrome (3323124213233).

The spelling of 2122012111021 in words is "two trillion, one hundred twenty-two billion, twelve million, one hundred eleven thousand, twenty-one".