1222100220113 has 2 divisors, whose sum is σ = 1222100220114. Its totient is φ = 1222100220112.

The previous prime is 1222100220109. The next prime is 1222100220119. The reversal of 1222100220113 is 3110220012221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1091090969809 + 131009250304 = 1044553^2 + 361952^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222100220113 - 2² = 1222100220109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1222100220091 and 1222100220100.

It is not a weakly prime, because it can be changed into another prime (1222100220119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611050110056 + 611050110057.

It is an arithmetic number, because the mean of its divisors is an integer number (611050110057).

Almost surely, 2^{1222100220113} is an apocalyptic number.

It is an amenable number.

1222100220113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222100220113 is an equidigital number, since it uses as much as digits as its factorization.

1222100220113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1222100220113 its reverse (3110220012221), we get a palindrome (4332320232334).

The spelling of 1222100220113 in words is "one trillion, two hundred twenty-two billion, one hundred million, two hundred twenty thousand, one hundred thirteen".