212101002221001 has 8 divisors (see below), whose sum is σ = 282803606885664. Its totient is φ = 141399532851840.

The previous prime is 212101002220967. The next prime is 212101002221027. The reversal of 212101002221001 is 100122200101212.

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

It is not a de Polignac number, because 212101002221001 - 2¹¹ = 212101002218953 is a prime.

It is a super-2 number, since 2×212101002221001² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212101002222001) 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, 283387855 + ... + 284135316.

It is an arithmetic number, because the mean of its divisors is an integer number (35350450860708).

Almost surely, 2^{212101002221001} is an apocalyptic number.

It is an amenable number.

212101002221001 is a deficient number, since it is larger than the sum of its proper divisors (70702604664663).

212101002221001 is a wasteful number, since it uses less digits than its factorization.

212101002221001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567647751.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 212101002221001 its reverse (100122200101212), we get a palindrome (312223202322213).

The spelling of 212101002221001 in words is "two hundred twelve trillion, one hundred one billion, two million, two hundred twenty-one thousand, one".