1102001221098 has 12 divisors (see below), whose sum is σ = 2387669312418. Its totient is φ = 367333740360.

The previous prime is 1102001221051. The next prime is 1102001221099. The reversal of 1102001221098 is 8901221002011.

It can be written as a sum of positive squares in only one way, i.e., 703288536129 + 398712684969 = 838623^2 + 631437^2 .

It is not an unprimeable number, because it can be changed into a prime (1102001221099) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30611145013 + ... + 30611145048.

Almost surely, 2^{1102001221098} is an apocalyptic number.

1102001221098 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1102001221098 is an abundant number, since it is smaller than the sum of its proper divisors (1285668091320).

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

1102001221098 is a wasteful number, since it uses less digits than its factorization.

1102001221098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61222290069 (or 61222290066 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 27.

The spelling of 1102001221098 in words is "one trillion, one hundred two billion, one million, two hundred twenty-one thousand, ninety-eight".