1122111001222 has 8 divisors (see below), whose sum is σ = 1683226641096. Its totient is φ = 561035454192.

The previous prime is 1122111001183. The next prime is 1122111001237. The reversal of 1122111001222 is 2221001112211.

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

It is a junction number, because it is equal to n+sod(n) for n = 1122111001196 and 1122111001205.

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, 9953143 + ... + 10065250.

It is an arithmetic number, because the mean of its divisors is an integer number (210403330137).

Almost surely, 2^{1122111001222} is an apocalyptic number.

1122111001222 is a deficient number, since it is larger than the sum of its proper divisors (561115639874).

1122111001222 is a wasteful number, since it uses less digits than its factorization.

1122111001222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20046422.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1122111001222 its reverse (2221001112211), we get a palindrome (3343112113433).

The spelling of 1122111001222 in words is "one trillion, one hundred twenty-two billion, one hundred eleven million, one thousand, two hundred twenty-two".