122101221021100 has 36 divisors (see below), whose sum is σ = 265282377747408. Its totient is φ = 48780999352000.

The previous prime is 122101221021097. The next prime is 122101221021119. The reversal of 122101221021100 is 1120122101221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 743530696 + ... + 743694895.

It is an arithmetic number, because the mean of its divisors is an integer number (7368954937428).

Almost surely, 2^{122101221021100} is an apocalyptic number.

122101221021100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122101221021100 is an abundant number, since it is smaller than the sum of its proper divisors (143181156726308).

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

122101221021100 is a wasteful number, since it uses less digits than its factorization.

122101221021100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1487226426 (or 1487226419 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 122101221021100 its reverse (1120122101221), we get a palindrome (123221343122321).

The spelling of 122101221021100 in words is "one hundred twenty-two trillion, one hundred one billion, two hundred twenty-one million, twenty-one thousand, one hundred".