212221010022011 has 8 divisors (see below), whose sum is σ = 212751212220624. Its totient is φ = 211690931588640.

The previous prime is 212221010021941. The next prime is 212221010022017. The reversal of 212221010022011 is 110220010122212.

212221010022011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212221010022011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212221010022017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27507140 + ... + 34366913.

It is an arithmetic number, because the mean of its divisors is an integer number (26593901527578).

Almost surely, 2^{212221010022011} is an apocalyptic number.

212221010022011 is a deficient number, since it is larger than the sum of its proper divisors (530202198613).

212221010022011 is an equidigital number, since it uses as much as digits as its factorization.

212221010022011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61882621.

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

Adding to 212221010022011 its reverse (110220010122212), we get a palindrome (322441020144223).

The spelling of 212221010022011 in words is "two hundred twelve trillion, two hundred twenty-one billion, ten million, twenty-two thousand, eleven".