212210021101001 has 48 divisors (see below), whose sum is σ = 269088584647680. Its totient is φ = 163801286748000.

The previous prime is 212210021100989. The next prime is 212210021101007. The reversal of 212210021101001 is 100101120012212.

It is a de Polignac number, because none of the positive numbers 2^k-212210021101001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212210021101007) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1388269226 + ... + 1388422076.

It is an arithmetic number, because the mean of its divisors is an integer number (5606012180160).

Almost surely, 2^{212210021101001} is an apocalyptic number.

It is an amenable number.

212210021101001 is a deficient number, since it is larger than the sum of its proper divisors (56878563546679).

212210021101001 is a wasteful number, since it uses less digits than its factorization.

212210021101001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168306 (or 168295 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 212210021101001 its reverse (100101120012212), we get a palindrome (312311141113213).

The spelling of 212210021101001 in words is "two hundred twelve trillion, two hundred ten billion, twenty-one million, one hundred one thousand, one".