1222010102221 has 4 divisors (see below), whose sum is σ = 1231338423744. Its totient is φ = 1212681780700.

The previous prime is 1222010102191. The next prime is 1222010102279.

It is a happy number.

1222010102221 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1222010102221 - 2²¹ = 1222008005069 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1222010102195 and 1222010102204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222010100221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4664160565 + ... + 4664160826.

It is an arithmetic number, because the mean of its divisors is an integer number (307834605936).

Almost surely, 2^{1222010102221} is an apocalyptic number.

It is an amenable number.

1222010102221 is a deficient number, since it is larger than the sum of its proper divisors (9328321523).

1222010102221 is an equidigital number, since it uses as much as digits as its factorization.

1222010102221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9328321522.

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

It can be divided in two parts, 1222010 and 102221, that added together give a palindrome (1324231).

The spelling of 1222010102221 in words is "one trillion, two hundred twenty-two billion, ten million, one hundred two thousand, two hundred twenty-one".