1222111131022 has 4 divisors (see below), whose sum is σ = 1833166696536. Its totient is φ = 611055565510.

The previous prime is 1222111130971. The next prime is 1222111131023. The reversal of 1222111131022 is 2201311112221.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222111131023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305527782754 + ... + 305527782757.

It is an arithmetic number, because the mean of its divisors is an integer number (458291674134).

Almost surely, 2^{1222111131022} is an apocalyptic number.

1222111131022 is a deficient number, since it is larger than the sum of its proper divisors (611055565514).

1222111131022 is an equidigital number, since it uses as much as digits as its factorization.

1222111131022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611055565513.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 1222111131022 its reverse (2201311112221), we get a palindrome (3423422243243).

The spelling of 1222111131022 in words is "one trillion, two hundred twenty-two billion, one hundred eleven million, one hundred thirty-one thousand, twenty-two".