212022221001 has 16 divisors (see below), whose sum is σ = 309647059200. Its totient is φ = 128446185728.

The previous prime is 212022220981. The next prime is 212022221023. The reversal of 212022221001 is 100122220212.

It is not a de Polignac number, because 212022221001 - 2⁹ = 212022220489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212022221041) 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 15 ways as a sum of consecutive naturals, for example, 71676081 + ... + 71679038.

It is an arithmetic number, because the mean of its divisors is an integer number (19352941200).

Almost surely, 2^212022221001 is an apocalyptic number.

It is an amenable number.

212022221001 is a deficient number, since it is larger than the sum of its proper divisors (97624838199).

212022221001 is a wasteful number, since it uses less digits than its factorization.

212022221001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143355168.

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

Adding to 212022221001 its reverse (100122220212), we get a palindrome (312144441213).

The spelling of 212022221001 in words is "two hundred twelve billion, twenty-two million, two hundred twenty-one thousand, one".