1213222223101 has 8 divisors (see below), whose sum is σ = 1389627748800. Its totient is φ = 1037588713728.

The previous prime is 1213222223027. The next prime is 1213222223137. The reversal of 1213222223101 is 1013222223121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1213222223101 - 2⁷ = 1213222222973 is a prime.

It is a super-2 number, since 2×1213222223101² (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 (1213222223401) 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, 193000711 + ... + 193006996.

It is an arithmetic number, because the mean of its divisors is an integer number (173703468600).

Almost surely, 2^{1213222223101} is an apocalyptic number.

It is an amenable number.

1213222223101 is a deficient number, since it is larger than the sum of its proper divisors (176405525699).

1213222223101 is an equidigital number, since it uses as much as digits as its factorization.

1213222223101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386008163.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 1213222223101 its reverse (1013222223121), we get a palindrome (2226444446222).

The spelling of 1213222223101 in words is "one trillion, two hundred thirteen billion, two hundred twenty-two million, two hundred twenty-three thousand, one hundred one".