121020022 has 8 divisors (see below), whose sum is σ = 181632672. Its totient is φ = 60475800.

The previous prime is 121020019. The next prime is 121020061. The reversal of 121020022 is 220020121.

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 = 121019990 and 121020008.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12429 + ... + 19912.

It is an arithmetic number, because the mean of its divisors is an integer number (22704084).

Almost surely, 2^121020022 is an apocalyptic number.

121020022 is a deficient number, since it is larger than the sum of its proper divisors (60612650).

121020022 is a wasteful number, since it uses less digits than its factorization.

121020022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34214.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 121020022 is about 11000.9100532638. The cubic root of 121020022 is about 494.6360239670.

Adding to 121020022 its reverse (220020121), we get a palindrome (341040143).

Subtracting 121020022 from its reverse (220020121), we obtain a palindrome (99000099).

The spelling of 121020022 in words is "one hundred twenty-one million, twenty thousand, twenty-two".