1010222111221 has 8 divisors (see below), whose sum is σ = 1020365905824. Its totient is φ = 1000081093200.

The previous prime is 1010222111189. The next prime is 1010222111267. The reversal of 1010222111221 is 1221112220101.

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 1010222111221 - 2⁵ = 1010222111189 is a prime.

It is a super-2 number, since 2×1010222111221² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1010222111195 and 1010222111204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010222111321) 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, 41070 + ... + 1422016.

It is an arithmetic number, because the mean of its divisors is an integer number (127545738228).

Almost surely, 2^{1010222111221} is an apocalyptic number.

It is an amenable number.

1010222111221 is a deficient number, since it is larger than the sum of its proper divisors (10143794603).

1010222111221 is a wasteful number, since it uses less digits than its factorization.

1010222111221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1388291.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1010222111221 its reverse (1221112220101), we get a palindrome (2231334331322).

The spelling of 1010222111221 in words is "one trillion, ten billion, two hundred twenty-two million, one hundred eleven thousand, two hundred twenty-one".