122202100019 has 4 divisors (see below), whose sum is σ = 122202800400. Its totient is φ = 122201399640.

The previous prime is 122202099997. The next prime is 122202100021. The reversal of 122202100019 is 910001202221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 122202100019 - 2¹² = 122202095923 is a prime.

It is a super-2 number, since 2×122202100019² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122202100049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143957 + ... + 514905.

It is an arithmetic number, because the mean of its divisors is an integer number (30550700100).

Almost surely, 2^122202100019 is an apocalyptic number.

122202100019 is a deficient number, since it is larger than the sum of its proper divisors (700381).

122202100019 is an equidigital number, since it uses as much as digits as its factorization.

122202100019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700380.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 122202100019 in words is "one hundred twenty-two billion, two hundred two million, one hundred thousand, nineteen".