1222101222109 has 4 divisors (see below), whose sum is σ = 1222109870400. Its totient is φ = 1222092573820.

The previous prime is 1222101222103. The next prime is 1222101222131. The reversal of 1222101222109 is 9012221012221.

It is a happy number.

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 1222101222109 - 2³ = 1222101222101 is a prime.

It is a super-2 number, since 2×1222101222109² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222101222101) 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, 4108597 + ... + 4395994.

It is an arithmetic number, because the mean of its divisors is an integer number (305527467600).

Almost surely, 2^{1222101222109} is an apocalyptic number.

It is an amenable number.

1222101222109 is a deficient number, since it is larger than the sum of its proper divisors (8648291).

1222101222109 is an equidigital number, since it uses as much as digits as its factorization.

1222101222109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8648290.

The product of its (nonzero) digits is 576, while the sum is 25.

The spelling of 1222101222109 in words is "one trillion, two hundred twenty-two billion, one hundred one million, two hundred twenty-two thousand, one hundred nine".