2121303220022 has 8 divisors (see below), whose sum is σ = 3636519805776. Its totient is φ = 909129951432.

The previous prime is 2121303219941. The next prime is 2121303220031. The reversal of 2121303220022 is 2200223031212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2121303219976 and 2121303220003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75760829273 + ... + 75760829300.

It is an arithmetic number, because the mean of its divisors is an integer number (454564975722).

Almost surely, 2^{2121303220022} is an apocalyptic number.

2121303220022 is a deficient number, since it is larger than the sum of its proper divisors (1515216585754).

2121303220022 is a wasteful number, since it uses less digits than its factorization.

2121303220022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151521658582.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 2121303220022 its reverse (2200223031212), we get a palindrome (4321526251234).

The spelling of 2121303220022 in words is "two trillion, one hundred twenty-one billion, three hundred three million, two hundred twenty thousand, twenty-two".