100022021222 has 4 divisors (see below), whose sum is σ = 150033031836. Its totient is φ = 50011010610.

The previous prime is 100022021201. The next prime is 100022021237. The reversal of 100022021222 is 222120220001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 222120220001 = 89 ⋅2495732809.

It is a junction number, because it is equal to n+sod(n) for n = 100022021197 and 100022021206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25005505304 + ... + 25005505307.

It is an arithmetic number, because the mean of its divisors is an integer number (37508257959).

Almost surely, 2^100022021222 is an apocalyptic number.

100022021222 is a deficient number, since it is larger than the sum of its proper divisors (50011010614).

100022021222 is an equidigital number, since it uses as much as digits as its factorization.

100022021222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50011010613.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 100022021222 its reverse (222120220001), we get a palindrome (322142241223).

The spelling of 100022021222 in words is "one hundred billion, twenty-two million, twenty-one thousand, two hundred twenty-two".