1222212111022 has 8 divisors (see below), whose sum is σ = 2095220761776. Its totient is φ = 523805190432.

The previous prime is 1222212111017. The next prime is 1222212111077. The reversal of 1222212111022 is 2201112122221.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43650432523 + ... + 43650432550.

It is an arithmetic number, because the mean of its divisors is an integer number (261902595222).

Almost surely, 2^{1222212111022} is an apocalyptic number.

1222212111022 is a deficient number, since it is larger than the sum of its proper divisors (873008650754).

1222212111022 is an equidigital number, since it uses as much as digits as its factorization.

1222212111022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87300865082.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 1222212111022 its reverse (2201112122221), we get a palindrome (3423324233243).

The spelling of 1222212111022 in words is "one trillion, two hundred twenty-two billion, two hundred twelve million, one hundred eleven thousand, twenty-two".