20121122020022 has 8 divisors (see below), whose sum is σ = 30463754834376. Its totient is φ = 9966537075232.

The previous prime is 20121122019953. The next prime is 20121122020037. The reversal of 20121122020022 is 22002022112102.

It is a happy number.

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

It is a super-2 number, since 2×20121122020022² (a number of 27 digits) contains 22 as substring.

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, 47011967123 + ... + 47011967550.

It is an arithmetic number, because the mean of its divisors is an integer number (3807969354297).

Almost surely, 2^{20121122020022} is an apocalyptic number.

20121122020022 is a deficient number, since it is larger than the sum of its proper divisors (10342632814354).

20121122020022 is a wasteful number, since it uses less digits than its factorization.

20121122020022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94023934782.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20121122020022 its reverse (22002022112102), we get a palindrome (42123144132124).

The spelling of 20121122020022 in words is "twenty trillion, one hundred twenty-one billion, one hundred twenty-two million, twenty thousand, twenty-two".