1222221010101 has 64 divisors (see below), whose sum is σ = 2061002592768. Its totient is φ = 626929486848.

The previous prime is 1222221010093. The next prime is 1222221010147. The reversal of 1222221010101 is 1010101222221.

It is not a de Polignac number, because 1222221010101 - 2³ = 1222221010093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222221010151) 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 63 ways as a sum of consecutive naturals, for example, 19493935 + ... + 19556531.

It is an arithmetic number, because the mean of its divisors is an integer number (32203165512).

Almost surely, 2^{1222221010101} is an apocalyptic number.

It is an amenable number.

1222221010101 is a deficient number, since it is larger than the sum of its proper divisors (838781582667).

1222221010101 is a wasteful number, since it uses less digits than its factorization.

1222221010101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64590.

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

Adding to 1222221010101 its reverse (1010101222221), we get a palindrome (2232322232322).

The spelling of 1222221010101 in words is "one trillion, two hundred twenty-two billion, two hundred twenty-one million, ten thousand, one hundred one".