210122212001 has 8 divisors (see below), whose sum is σ = 233584990464. Its totient is φ = 187702223760.

The previous prime is 210122211973. The next prime is 210122212007. The reversal of 210122212001 is 100212221012.

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-210122212001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210122212007) 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, 260697131 + ... + 260697936.

It is an arithmetic number, because the mean of its divisors is an integer number (29198123808).

Almost surely, 2^210122212001 is an apocalyptic number.

It is an amenable number.

210122212001 is a deficient number, since it is larger than the sum of its proper divisors (23462778463).

210122212001 is a wasteful number, since it uses less digits than its factorization.

210122212001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521395111.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 210122212001 its reverse (100212221012), we get a palindrome (310334433013).

The spelling of 210122212001 in words is "two hundred ten billion, one hundred twenty-two million, two hundred twelve thousand, one".