100022220212 has 24 divisors (see below), whose sum is σ = 179768121120. Its totient is φ = 48676685600.

The previous prime is 100022220203. The next prime is 100022220229. The reversal of 100022220212 is 212022220001.

It is a super-2 number, since 2×100022220212² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2074298 + ... + 2121969.

It is an arithmetic number, because the mean of its divisors is an integer number (7490338380).

Almost surely, 2^100022220212 is an apocalyptic number.

It is an amenable number.

100022220212 is a deficient number, since it is larger than the sum of its proper divisors (79745900908).

100022220212 is a wasteful number, since it uses less digits than its factorization.

100022220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4196431 (or 4196429 counting only the distinct ones).

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

Adding to 100022220212 its reverse (212022220001), we get a palindrome (312044440213).

The spelling of 100022220212 in words is "one hundred billion, twenty-two million, two hundred twenty thousand, two hundred twelve".