121000121020022 has 16 divisors (see below), whose sum is σ = 182084826159600. Its totient is φ = 60305189098752.

The previous prime is 121000121020021. The next prime is 121000121020039. The reversal of 121000121020022 is 220020121000121.

It is a junction number, because it is equal to n+sod(n) for n = 121000121019979 and 121000121020006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121000121020021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21555473 + ... + 26582675.

It is an arithmetic number, because the mean of its divisors is an integer number (11380301634975).

Almost surely, 2^{121000121020022} is an apocalyptic number.

121000121020022 is a deficient number, since it is larger than the sum of its proper divisors (61084705139578).

121000121020022 is a wasteful number, since it uses less digits than its factorization.

121000121020022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5065967.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 121000121020022 its reverse (220020121000121), we get a palindrome (341020242020143).

The spelling of 121000121020022 in words is "one hundred twenty-one trillion, one hundred twenty-one million, twenty thousand, twenty-two".