2122011120021 has 16 divisors (see below), whose sum is σ = 3121307165760. Its totient is φ = 1274002922880.

The previous prime is 2122011119951. The next prime is 2122011120037. The reversal of 2122011120021 is 1200211102212.

It is not a de Polignac number, because 2122011120021 - 2¹⁵ = 2122011087253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122011120091) 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 15 ways as a sum of consecutive naturals, for example, 663541591 + ... + 663544788.

It is an arithmetic number, because the mean of its divisors is an integer number (195081697860).

Almost surely, 2^{2122011120021} is an apocalyptic number.

It is an amenable number.

2122011120021 is a deficient number, since it is larger than the sum of its proper divisors (999296045739).

2122011120021 is a wasteful number, since it uses less digits than its factorization.

2122011120021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1327086436.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2122011120021 its reverse (1200211102212), we get a palindrome (3322222222233).

The spelling of 2122011120021 in words is "two trillion, one hundred twenty-two billion, eleven million, one hundred twenty thousand, twenty-one".