122212101210100 has 36 divisors (see below), whose sum is σ = 289309374139968. Its totient is φ = 44440764076000.

The previous prime is 122212101210077. The next prime is 122212101210131. The reversal of 122212101210100 is 1012101212221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55550953996 + ... + 55550956195.

It is an arithmetic number, because the mean of its divisors is an integer number (8036371503888).

Almost surely, 2^{122212101210100} is an apocalyptic number.

122212101210100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122212101210100 is an abundant number, since it is smaller than the sum of its proper divisors (167097272929868).

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

122212101210100 is a wasteful number, since it uses less digits than its factorization.

122212101210100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111101910216 (or 111101910209 counting only the distinct ones).

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

Adding to 122212101210100 its reverse (1012101212221), we get a palindrome (123224202422321).

The spelling of 122212101210100 in words is "one hundred twenty-two trillion, two hundred twelve billion, one hundred one million, two hundred ten thousand, one hundred".