1001222020101 has 16 divisors (see below), whose sum is σ = 1341312775488. Its totient is φ = 664310400000.

The previous prime is 1001222020081. The next prime is 1001222020109. The reversal of 1001222020101 is 1010202221001.

It is not a de Polignac number, because 1001222020101 - 2⁵ = 1001222020069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001222020109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 468645 + ... + 1490661.

It is an arithmetic number, because the mean of its divisors is an integer number (83832048468).

Almost surely, 2^{1001222020101} is an apocalyptic number.

It is an amenable number.

1001222020101 is a deficient number, since it is larger than the sum of its proper divisors (340090755387).

1001222020101 is a wasteful number, since it uses less digits than its factorization.

1001222020101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1023572.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1001222020101 its reverse (1010202221001), we get a palindrome (2011424241102).

The spelling of 1001222020101 in words is "one trillion, one billion, two hundred twenty-two million, twenty thousand, one hundred one".