2121203331022 has 16 divisors (see below), whose sum is σ = 3211044010992. Its totient is φ = 1050861651840.

The previous prime is 2121203331019. The next prime is 2121203331043. The reversal of 2121203331022 is 2201333021212.

It is a junction number, because it is equal to n+sod(n) for n = 2121203330984 and 2121203331002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 908133 + ... + 2251024.

It is an arithmetic number, because the mean of its divisors is an integer number (200690250687).

Almost surely, 2^{2121203331022} is an apocalyptic number.

2121203331022 is a deficient number, since it is larger than the sum of its proper divisors (1089840679970).

2121203331022 is a wasteful number, since it uses less digits than its factorization.

2121203331022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3162243.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 2121203331022 its reverse (2201333021212), we get a palindrome (4322536352234).

The spelling of 2121203331022 in words is "two trillion, one hundred twenty-one billion, two hundred three million, three hundred thirty-one thousand, twenty-two".