1122100011222 has 32 divisors (see below), whose sum is σ = 2282341017600. Its totient is φ = 367677080928.

The previous prime is 1122100011199. The next prime is 1122100011229. The reversal of 1122100011222 is 2221100012211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122100011229) 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, 9538123 + ... + 9655049.

It is an arithmetic number, because the mean of its divisors is an integer number (71323156800).

Almost surely, 2^{1122100011222} is an apocalyptic number.

1122100011222 is an abundant number, since it is smaller than the sum of its proper divisors (1160241006378).

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

1122100011222 is a wasteful number, since it uses less digits than its factorization.

1122100011222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144100.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1122100011222 its reverse (2221100012211), we get a palindrome (3343200023433).

The spelling of 1122100011222 in words is "one trillion, one hundred twenty-two billion, one hundred million, eleven thousand, two hundred twenty-two".