121000121022 has 32 divisors (see below), whose sum is σ = 264258981504. Its totient is φ = 36630770400.

The previous prime is 121000120993. The next prime is 121000121057. The reversal of 121000121022 is 220121000121.

It is a junction number, because it is equal to n+sod(n) for n = 121000120989 and 121000121007.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 830428 + ... + 965199.

It is an arithmetic number, because the mean of its divisors is an integer number (8258093172).

Almost surely, 2^121000121022 is an apocalyptic number.

121000121022 is an abundant number, since it is smaller than the sum of its proper divisors (143258860482).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121000121022 is a wasteful number, since it uses less digits than its factorization.

121000121022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1796664.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 121000121022 its reverse (220121000121), we get a palindrome (341121121143).

The spelling of 121000121022 in words is "one hundred twenty-one billion, one hundred twenty-one thousand, twenty-two".