121222022122220 has 48 divisors (see below), whose sum is σ = 275809120681248. Its totient is φ = 44575211412480.

The previous prime is 121222022122211. The next prime is 121222022122301. The reversal of 121222022122220 is 22221220222121.

It is a super-3 number, since 3×121222022122220³ (a number of 43 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4145745371 + ... + 4145774610.

It is an arithmetic number, because the mean of its divisors is an integer number (5746023347526).

Almost surely, 2^{121222022122220} is an apocalyptic number.

121222022122220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121222022122220 is an abundant number, since it is smaller than the sum of its proper divisors (154587098559028).

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

121222022122220 is a wasteful number, since it uses less digits than its factorization.

121222022122220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8291520050 (or 8291520048 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 121222022122220 its reverse (22221220222121), we get a palindrome (143443242344341).

The spelling of 121222022122220 in words is "one hundred twenty-one trillion, two hundred twenty-two billion, twenty-two million, one hundred twenty-two thousand, two hundred twenty".