1121100001222 has 16 divisors (see below), whose sum is σ = 1755948579840. Its totient is φ = 535816679112.

The previous prime is 1121100001207. The next prime is 1121100001243. The reversal of 1121100001222 is 2221000011211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8148822 + ... + 8285257.

It is an arithmetic number, because the mean of its divisors is an integer number (109746786240).

Almost surely, 2^{1121100001222} is an apocalyptic number.

1121100001222 is a deficient number, since it is larger than the sum of its proper divisors (634848578618).

1121100001222 is a wasteful number, since it uses less digits than its factorization.

1121100001222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16435587.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1121100001222 its reverse (2221000011211), we get a palindrome (3342100012433).

The spelling of 1121100001222 in words is "one trillion, one hundred twenty-one billion, one hundred million, one thousand, two hundred twenty-two".