122000121220100 has 72 divisors (see below), whose sum is σ = 269038730002560. Its totient is φ = 48012069905280.

The previous prime is 122000121220099. The next prime is 122000121220111. The reversal of 122000121220100 is 1022121000221.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25048847 + ... + 29520246.

Almost surely, 2^{122000121220100} is an apocalyptic number.

122000121220100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122000121220100 is an abundant number, since it is smaller than the sum of its proper divisors (147038608782460).

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

122000121220100 is a wasteful number, since it uses less digits than its factorization.

122000121220100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54569469 (or 54569462 counting only the distinct ones).

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

Adding to 122000121220100 its reverse (1022121000221), we get a palindrome (123022242220321).

The spelling of 122000121220100 in words is "one hundred twenty-two trillion, one hundred twenty-one million, two hundred twenty thousand, one hundred".