10221201098 has 4 divisors (see below), whose sum is σ = 15331801650. Its totient is φ = 5110600548.

The previous prime is 10221201097. The next prime is 10221201101. The reversal of 10221201098 is 89010212201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89010212201 = 281 ⋅316762321.

It can be written as a sum of positive squares in only one way, i.e., 8265173569 + 1956027529 = 90913^2 + 44227^2 .

It is not an unprimeable number, because it can be changed into a prime (10221201097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2555300273 + ... + 2555300276.

Almost surely, 2^10221201098 is an apocalyptic number.

10221201098 is a deficient number, since it is larger than the sum of its proper divisors (5110600552).

10221201098 is an equidigital number, since it uses as much as digits as its factorization.

10221201098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5110600551.

The product of its (nonzero) digits is 576, while the sum is 26.

Adding to 10221201098 its reverse (89010212201), we get a palindrome (99231413299).

The spelling of 10221201098 in words is "ten billion, two hundred twenty-one million, two hundred one thousand, ninety-eight".