101220201222001 has 8 divisors (see below), whose sum is σ = 102126899416608. Its totient is φ = 100315533708000.

The previous prime is 101220201221983. The next prime is 101220201222013. The reversal of 101220201222001 is 100222102022101.

It is a happy number.

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-101220201222001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101220201222601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 507570015 + ... + 507769396.

It is an arithmetic number, because the mean of its divisors is an integer number (12765862427076).

Almost surely, 2^{101220201222001} is an apocalyptic number.

It is an amenable number.

101220201222001 is a deficient number, since it is larger than the sum of its proper divisors (906698194607).

101220201222001 is a wasteful number, since it uses less digits than its factorization.

101220201222001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1015340303.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 101220201222001 its reverse (100222102022101), we get a palindrome (201442303244102).

The spelling of 101220201222001 in words is "one hundred one trillion, two hundred twenty billion, two hundred one million, two hundred twenty-two thousand, one".