1101100221222 has 32 divisors (see below), whose sum is σ = 2231480327040. Its totient is φ = 362170226880.

The previous prime is 1101100221217. The next prime is 1101100221251. The reversal of 1101100221222 is 2221220011011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1837588 + ... + 2361975.

It is an arithmetic number, because the mean of its divisors is an integer number (69733760220).

Almost surely, 2^{1101100221222} is an apocalyptic number.

1101100221222 is an abundant number, since it is smaller than the sum of its proper divisors (1130380105818).

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

1101100221222 is a wasteful number, since it uses less digits than its factorization.

1101100221222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4200148.

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

Adding to 1101100221222 its reverse (2221220011011), we get a palindrome (3322320232233).

The spelling of 1101100221222 in words is "one trillion, one hundred one billion, one hundred million, two hundred twenty-one thousand, two hundred twenty-two".