1111020222397 has 2 divisors, whose sum is σ = 1111020222398. Its totient is φ = 1111020222396.

The previous prime is 1111020222371. The next prime is 1111020222457. The reversal of 1111020222397 is 7932220201111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 808067953476 + 302952268921 = 898926^2 + 550411^2 .

It is a cyclic number.

It is not a de Polignac number, because 1111020222397 - 2³¹ = 1108872738749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111020222337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555510111198 + 555510111199.

It is an arithmetic number, because the mean of its divisors is an integer number (555510111199).

Almost surely, 2^{1111020222397} is an apocalyptic number.

It is an amenable number.

1111020222397 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111020222397 is an equidigital number, since it uses as much as digits as its factorization.

1111020222397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 31.

The spelling of 1111020222397 in words is "one trillion, one hundred eleven billion, twenty million, two hundred twenty-two thousand, three hundred ninety-seven".