1111111201122 has 32 divisors (see below), whose sum is σ = 2393510031360. Its totient is φ = 341830734720.

The previous prime is 1111111201069. The next prime is 1111111201129. The reversal of 1111111201122 is 2211021111111.

It is not an unprimeable number, because it can be changed into a prime (1111111201129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 491547 + ... + 1569662.

It is an arithmetic number, because the mean of its divisors is an integer number (74797188480).

Almost surely, 2^{1111111201122} is an apocalyptic number.

1111111201122 is an abundant number, since it is smaller than the sum of its proper divisors (1282398830238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1111111201122 is a wasteful number, since it uses less digits than its factorization.

1111111201122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2068138.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 1111111201122 its reverse (2211021111111), we get a palindrome (3322132312233).

The spelling of 1111111201122 in words is "one trillion, one hundred eleven billion, one hundred eleven million, two hundred one thousand, one hundred twenty-two".