122220221100019 has 12 divisors (see below), whose sum is σ = 144177001267248. Its totient is φ = 103284693884400.

The previous prime is 122220221100007. The next prime is 122220221100049. The reversal of 122220221100019 is 910001122022221.

It is a happy number.

It is not a de Polignac number, because 122220221100019 - 2⁴³ = 113424128077811 is a prime.

It is a super-2 number, since 2×122220221100019² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122220221099966 and 122220221100002.

It is not an unprimeable number, because it can be changed into a prime (122220221100049) 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, 17565420652 + ... + 17565427609.

It is an arithmetic number, because the mean of its divisors is an integer number (12014750105604).

Almost surely, 2^{122220221100019} is an apocalyptic number.

122220221100019 is a deficient number, since it is larger than the sum of its proper divisors (21956780167229).

122220221100019 is an equidigital number, since it uses as much as digits as its factorization.

122220221100019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35130848346 (or 35130848339 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

The spelling of 122220221100019 in words is "one hundred twenty-two trillion, two hundred twenty billion, two hundred twenty-one million, one hundred thousand, nineteen".