100022219971 has 2 divisors, whose sum is σ = 100022219972. Its totient is φ = 100022219970.

The previous prime is 100022219963. The next prime is 100022220043. The reversal of 100022219971 is 179912220001.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (179912220001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100022219971 - 2³ = 100022219963 is a prime.

It is a super-2 number, since 2×100022219971² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (100022219951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50011109985 + 50011109986.

It is an arithmetic number, because the mean of its divisors is an integer number (50011109986).

Almost surely, 2^100022219971 is an apocalyptic number.

100022219971 is a deficient number, since it is larger than the sum of its proper divisors (1).

100022219971 is an equidigital number, since it uses as much as digits as its factorization.

100022219971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 34.

Adding to 100022219971 its reverse (179912220001), we get a palindrome (279934439972).

The spelling of 100022219971 in words is "one hundred billion, twenty-two million, two hundred nineteen thousand, nine hundred seventy-one".