212022220101 has 32 divisors (see below), whose sum is σ = 297815847168. Its totient is φ = 133994165760.

The previous prime is 212022220097. The next prime is 212022220121. The reversal of 212022220101 is 101022220212.

It is not a de Polignac number, because 212022220101 - 2² = 212022220097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212022220121) 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 31 ways as a sum of consecutive naturals, for example, 3414336 + ... + 3475878.

It is an arithmetic number, because the mean of its divisors is an integer number (9306745224).

Almost surely, 2^212022220101 is an apocalyptic number.

It is an amenable number.

212022220101 is a deficient number, since it is larger than the sum of its proper divisors (85793627067).

212022220101 is a wasteful number, since it uses less digits than its factorization.

212022220101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62381.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 212022220101 its reverse (101022220212), we get a palindrome (313044440313).

The spelling of 212022220101 in words is "two hundred twelve billion, twenty-two million, two hundred twenty thousand, one hundred one".