2121121011022 has 32 divisors (see below), whose sum is σ = 3460381928640. Its totient is φ = 969281095680.

The previous prime is 2121121011017. The next prime is 2121121011049. The reversal of 2121121011022 is 2201101211212.

It is a junction number, because it is equal to n+sod(n) for n = 2121121010987 and 2121121011005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13819822 + ... + 13972462.

It is an arithmetic number, because the mean of its divisors is an integer number (108136935270).

Almost surely, 2^{2121121011022} is an apocalyptic number.

2121121011022 is a deficient number, since it is larger than the sum of its proper divisors (1339260917618).

2121121011022 is a wasteful number, since it uses less digits than its factorization.

2121121011022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157948.

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

Adding to 2121121011022 its reverse (2201101211212), we get a palindrome (4322222222234).

The spelling of 2121121011022 in words is "two trillion, one hundred twenty-one billion, one hundred twenty-one million, eleven thousand, twenty-two".