101221212100022 has 8 divisors (see below), whose sum is σ = 173522077885776. Its totient is φ = 43380519471432.

The previous prime is 101221212100009. The next prime is 101221212100049. The reversal of 101221212100022 is 220001212122101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3615043289273 + ... + 3615043289300.

It is an arithmetic number, because the mean of its divisors is an integer number (21690259735722).

Almost surely, 2^{101221212100022} is an apocalyptic number.

101221212100022 is a deficient number, since it is larger than the sum of its proper divisors (72300865785754).

101221212100022 is an equidigital number, since it uses as much as digits as its factorization.

101221212100022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7230086578582.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 101221212100022 its reverse (220001212122101), we get a palindrome (321222424222123).

The spelling of 101221212100022 in words is "one hundred one trillion, two hundred twenty-one billion, two hundred twelve million, one hundred thousand, twenty-two".