2212220121109 has 4 divisors (see below), whose sum is σ = 2223802425600. Its totient is φ = 2200637816620.

The previous prime is 2212220121091. The next prime is 2212220121119. The reversal of 2212220121109 is 9011210222122.

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 2212220121109 - 2⁵ = 2212220121077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212220121119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5791151959 + ... + 5791152340.

It is an arithmetic number, because the mean of its divisors is an integer number (555950606400).

Almost surely, 2^{2212220121109} is an apocalyptic number.

It is an amenable number.

2212220121109 is a deficient number, since it is larger than the sum of its proper divisors (11582304491).

2212220121109 is a wasteful number, since it uses less digits than its factorization.

2212220121109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11582304490.

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

The spelling of 2212220121109 in words is "two trillion, two hundred twelve billion, two hundred twenty million, one hundred twenty-one thousand, one hundred nine".