1021110098 has 4 divisors (see below), whose sum is σ = 1531665150. Its totient is φ = 510555048.

The previous prime is 1021110067. The next prime is 1021110107. The reversal of 1021110098 is 8900111201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 837697249 + 183412849 = 28943^2 + 13543^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255277523 + ... + 255277526.

Almost surely, 2^1021110098 is an apocalyptic number.

1021110098 is a deficient number, since it is larger than the sum of its proper divisors (510555052).

1021110098 is an equidigital number, since it uses as much as digits as its factorization.

1021110098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510555051.

The product of its (nonzero) digits is 144, while the sum is 23.

The square root of 1021110098 is about 31954.8133776431. The cubic root of 1021110098 is about 1006.9877568530.

Adding to 1021110098 its reverse (8900111201), we get a palindrome (9921221299).

The spelling of 1021110098 in words is "one billion, twenty-one million, one hundred ten thousand, ninety-eight".