2122121121022 has 32 divisors (see below), whose sum is σ = 3654900446400. Its totient is φ = 905245217280.

The previous prime is 2122121120993. The next prime is 2122121121037. The reversal of 2122121121022 is 2201211212212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2331622 + ... + 3111382.

It is an arithmetic number, because the mean of its divisors is an integer number (114215638950).

Almost surely, 2^{2122121121022} is an apocalyptic number.

2122121121022 is a deficient number, since it is larger than the sum of its proper divisors (1532779325378).

2122121121022 is a wasteful number, since it uses less digits than its factorization.

2122121121022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780676.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 2122121121022 its reverse (2201211212212), we get a palindrome (4323332333234).

The spelling of 2122121121022 in words is "two trillion, one hundred twenty-two billion, one hundred twenty-one million, one hundred twenty-one thousand, twenty-two".