2122011321023 has 16 divisors (see below), whose sum is σ = 2330324349696. Its totient is φ = 1916294730240.

The previous prime is 2122011320999. The next prime is 2122011321037. The reversal of 2122011321023 is 3201231102212.

It is not a de Polignac number, because 2122011321023 - 2¹⁰ = 2122011319999 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2122011320986 and 2122011321004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122011329023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 718286 + ... + 2181732.

It is an arithmetic number, because the mean of its divisors is an integer number (145645271856).

Almost surely, 2^{2122011321023} is an apocalyptic number.

2122011321023 is a deficient number, since it is larger than the sum of its proper divisors (208313028673).

2122011321023 is a wasteful number, since it uses less digits than its factorization.

2122011321023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1464334.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 2122011321023 its reverse (3201231102212), we get a palindrome (5323242423235).

The spelling of 2122011321023 in words is "two trillion, one hundred twenty-two billion, eleven million, three hundred twenty-one thousand, twenty-three".