212101122002001 has 8 divisors (see below), whose sum is σ = 299436878120544. Its totient is φ = 133083056942400.

The previous prime is 212101122001991. The next prime is 212101122002027. The reversal of 212101122002001 is 100200221101212.

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

It is not a de Polignac number, because 212101122002001 - 2²³ = 212101113613393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212101122002401) 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, 2079422764675 + ... + 2079422764776.

It is an arithmetic number, because the mean of its divisors is an integer number (37429609765068).

Almost surely, 2^{212101122002001} is an apocalyptic number.

It is an amenable number.

212101122002001 is a deficient number, since it is larger than the sum of its proper divisors (87335756118543).

212101122002001 is a wasteful number, since it uses less digits than its factorization.

212101122002001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4158845529471.

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

Adding to 212101122002001 its reverse (100200221101212), we get a palindrome (312301343103213).

The spelling of 212101122002001 in words is "two hundred twelve trillion, one hundred one billion, one hundred twenty-two million, two thousand, one".