210022120001 has 8 divisors (see below), whose sum is σ = 230044513320. Its totient is φ = 190851743488.

The previous prime is 210022119997. The next prime is 210022120037. The reversal of 210022120001 is 100021220012.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 72231937600 + 137790182401 = 268760^2 + 371201^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 210022120001 - 2² = 210022119997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210022120081) 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 7 ways as a sum of consecutive naturals, for example, 213003686 + ... + 213004671.

It is an arithmetic number, because the mean of its divisors is an integer number (28755564165).

Almost surely, 2^210022120001 is an apocalyptic number.

It is an amenable number.

210022120001 is a deficient number, since it is larger than the sum of its proper divisors (20022393319).

210022120001 is a wasteful number, since it uses less digits than its factorization.

210022120001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426008403.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 210022120001 its reverse (100021220012), we get a palindrome (310043340013).

The spelling of 210022120001 in words is "two hundred ten billion, twenty-two million, one hundred twenty thousand, one".