1100111221098 has 48 divisors (see below), whose sum is σ = 2439426200640. Its totient is φ = 358114079232.

The previous prime is 1100111221061. The next prime is 1100111221127. The reversal of 1100111221098 is 8901221110011.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4488243 + ... + 4727001.

It is an arithmetic number, because the mean of its divisors is an integer number (50821379180).

Almost surely, 2^{1100111221098} is an apocalyptic number.

1100111221098 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1100111221098 is an abundant number, since it is smaller than the sum of its proper divisors (1339314979542).

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

1100111221098 is a wasteful number, since it uses less digits than its factorization.

1100111221098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244763 (or 244760 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 27.

The spelling of 1100111221098 in words is "one trillion, one hundred billion, one hundred eleven million, two hundred twenty-one thousand, ninety-eight".