122220302112100 has 36 divisors (see below), whose sum is σ = 265239348971044. Its totient is φ = 48884195796480.

The previous prime is 122220302112061. The next prime is 122220302112109. The reversal of 122220302112100 is 1211203022221.

It can be written as a sum of positive squares in 6 ways, for example, as 6294037299264 + 115926264812836 = 2508792^2 + 10766906^2 .

It is not an unprimeable number, because it can be changed into a prime (122220302112109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47811177 + ... + 50302576.

Almost surely, 2^{122220302112100} is an apocalyptic number.

122220302112100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122220302112100 is an abundant number, since it is smaller than the sum of its proper divisors (143019046858944).

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

122220302112100 is a wasteful number, since it uses less digits than its factorization.

122220302112100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98126224 (or 98126217 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 122220302112100 its reverse (1211203022221), we get a palindrome (123431505134321).

The spelling of 122220302112100 in words is "one hundred twenty-two trillion, two hundred twenty billion, three hundred two million, one hundred twelve thousand, one hundred".